Gradle: do not add ext prefix for kotlin_version property

#KT-4690 Fixed

idea/testData/configuration/android-gradle/androidStudioDefaultShapshot_after.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -36,7 +36,7 @@ android {
 
 dependencies {
     compile 'com.android.support:support-v4:13.0.0'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 // VERSION: $VERSION$

idea/testData/configuration/android-gradle/androidStudioDefault_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -30,5 +30,5 @@ android {
 
 dependencies {
     compile 'com.android.support:support-v4:13.0.0'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/buildConfigs_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -37,5 +37,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/emptyDependencyList_after.gradle

@@ -4,7 +4,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -21,5 +21,5 @@ android {
 }
 
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/emptyFile_after.gradle

@@ -4,7 +4,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'kotlin-android'
@@ -12,7 +12,7 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 android {
     sourceSets {

idea/testData/configuration/android-gradle/gradleExamples/gradleExample0_after.gradle

@@ -37,7 +37,7 @@ project.afterEvaluate {
 
 dependencies {
     compile project(':lib')
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 buildscript {
@@ -47,7 +47,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 repositories {

idea/testData/configuration/android-gradle/gradleExamples/gradleExample18_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -20,7 +20,7 @@ dependencies {
     debugCompile 'com.android.support:support-v13:13.0.0'
 
     compile 'com.google.android.gms:play-services:3.1.36'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 android {

idea/testData/configuration/android-gradle/gradleExamples/gradleExample22_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -55,5 +55,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/gradleExamples/gradleExample44_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -64,5 +64,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/gradleExamples/gradleExample50_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -28,5 +28,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/gradleExamples/gradleExample58_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'android'
@@ -31,5 +31,5 @@ android.applicationVariants.each { variant ->
     variant.outputFile = file("$project.buildDir/${variant.name}.apk")
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/gradleExamples/gradleExample5_after.gradle

@@ -43,12 +43,12 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/gradleExamples/gradleExample65_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -21,7 +21,7 @@ repositories {
 dependencies {
     compile 'com.example.android.multiproject:util:1.0'
     releaseCompile 'com.google.guava:guava:11.0.2'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 android {

idea/testData/configuration/android-gradle/gradleExamples/gradleExample8_after.gradle

@@ -14,7 +14,7 @@ android {
 //
 dependencies {
     compile project(':lib')
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 buildscript {
@@ -24,7 +24,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 repositories {

idea/testData/configuration/android-gradle/helloWorld_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -22,5 +22,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/libraryFile_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.2'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -42,5 +42,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/missedApplyAndroidStatement_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 apply plugin: 'kotlin-android'
@@ -29,5 +29,5 @@ android {
 
 dependencies {
     compile 'com.android.support:support-v4:13.0.0'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/android-gradle/missedBuildscriptBlock_after.gradle

@@ -20,7 +20,7 @@ android {
 
 dependencies {
     compile 'com.android.support:support-v4:13.0.0'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 buildscript {
     ext.kotlin_version = '$VERSION$'
@@ -28,6 +28,6 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

idea/testData/configuration/android-gradle/missedRepositoriesInBuildscriptBlock_after.gradle

@@ -2,7 +2,7 @@ buildscript {
     ext.kotlin_version = '$VERSION$'
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
     repositories {
         maven {
@@ -35,7 +35,7 @@ android {
 
 dependencies {
     compile 'com.android.support:support-v4:13.0.0'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 // VERSION: $VERSION$

idea/testData/configuration/android-gradle/productFlavor_after.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:0.5.+'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -30,5 +30,5 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

idea/testData/configuration/gradle/default_after.gradle

@@ -10,7 +10,7 @@ repositories {
 
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.11'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 buildscript {
     ext.kotlin_version = '$VERSION$'
@@ -18,7 +18,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 sourceSets {

idea/testData/configuration/gradle/missedLibrary_after.gradle

@@ -6,7 +6,7 @@ version = '1.0'
 
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.11'
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$ext.kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 buildscript {
@@ -15,7 +15,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 sourceSets {

idea/testData/configuration/gradle/missedLibrary_before.gradle

@@ -13,7 +13,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$ext.kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 sourceSets {