[kotlin compiler] use one constants for version for all required kotlin artifacts

build.gradle

@@ -27,10 +27,10 @@ ext {
     dependenciesDir = DependencyProcessor.defaultDependenciesRoot
     platformManager = new PlatformManager(DistributionKt.buildDistribution(projectDir.absolutePath))
 
-    kotlinCompilerModule="org.jetbrains.kotlin:kotlin-compiler:${kotlinCompilerVersion}"
-    kotlinStdLibModule="org.jetbrains.kotlin:kotlin-stdlib:${kotlinStdLibVersion}"
-    kotlinReflectModule="org.jetbrains.kotlin:kotlin-reflect:${kotlinReflectVersion}"
-    kotlinScriptRuntimeModule="org.jetbrains.kotlin:kotlin-script-runtime:${kotlinScriptRuntimeVersion}"
+    kotlinCompilerModule="org.jetbrains.kotlin:kotlin-compiler:${kotlinVersion}"
+    kotlinStdLibModule="org.jetbrains.kotlin:kotlin-stdlib:${kotlinVersion}"
+    kotlinReflectModule="org.jetbrains.kotlin:kotlin-reflect:${kotlinVersion}"
+    kotlinScriptRuntimeModule="org.jetbrains.kotlin:kotlin-script-runtime:${kotlinVersion}"
 }
 
 allprojects {

gradle.properties

@@ -21,15 +21,7 @@ remoteRoot=konan_tests
 # Download artifacts of https://teamcity.jetbrains.com/viewType.html?buildTypeId=Kotlin_120_Compiler
 testDataVersion=1226829:id
 kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_CompilerAllPlugins),number:1.2.40-dev-837/artifacts/content/maven
-kotlinCompilerVersion=1.2.40-dev-837
-kotlinScriptRuntimeVersion=1.2.40-dev-837
-kotlinStdLibVersion=1.2.40-dev-837
-kotlinReflectVersion=1.2.40-dev-837
+kotlinVersion=1.2.40-dev-837
 konanVersion=0.6.1
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 
-##
-# required for performance mesuarement tasks
-
-kotlinStdLibJdk8Version=1.2.40-dev-837
-kotlinGradlePluginVersion=1.2.40-dev-837

performance/build.gradle

@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinGradlePluginVersion"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         classpath "org.jetbrains.kotlin:kotlin-native-gradle-plugin:$konanVersion"
     }
 }
@@ -43,7 +43,7 @@ compileKotlin {
 }
 
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinStdLibJdk8Version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion"
 }
 
 task jvmRun(type: JavaExec) {