Replace 'class object' with 'default object' in renderers and test data

Includes changes to decompiled text
Old syntax is used in builtins and project code for now

j2k/testData/fileOrElement/issues/arrayLength.kt

@@ -1,5 +1,5 @@
 class Test {
-    class object {
+    default object {
         public fun foo(args: Array<String>): Int {
             return args.size
         }

j2k/testData/fileOrElement/issues/doNotQualifyStatic.kt

@@ -6,7 +6,7 @@ class Outer {
         }
     }
 
-    class object {
+    default object {
         public var o: Any? = Object()
     }
 }

j2k/testData/fileOrElement/issues/kt-1074.kt

@@ -1,7 +1,7 @@
 package demo
 
 class Test {
-    class object {
+    default object {
         fun subListRangeCheck(fromIndex: Int, toIndex: Int, size: Int) {
             if (fromIndex < 0)
                 throw IndexOutOfBoundsException("fromIndex = " + fromIndex)

j2k/testData/fileOrElement/issues/kt-638.kt

@@ -25,7 +25,7 @@ public class Identifier<T>(public val name: T, private val myHasDollar: Boolean)
 }
 
 public class User {
-    class object {
+    default object {
         public fun main(args: Array<String>) {
             val i1 = Identifier("name", false, true)
             val i2 = Identifier<String>("name", false)

j2k/testData/fileOrElement/issues/kt-807.kt

@@ -5,7 +5,7 @@
 import java.io.*
 
 class FileRead {
-    class object {
+    default object {
         public fun main(args: Array<String>) {
             try {
                 val fstream = FileInputStream()

j2k/testData/fileOrElement/issues/kt-809-string.kt

@@ -5,7 +5,7 @@ class Container {
 }
 
 class One {
-    class object {
+    default object {
         var myContainer = Container()
     }
 }

j2k/testData/fileOrElement/issues/kt-809.kt

@@ -5,7 +5,7 @@ class Container {
 }
 
 class One {
-    class object {
+    default object {
         var myContainer = Container()
     }
 }

j2k/testData/fileOrElement/issues/kt-820-field.kt

@@ -5,7 +5,7 @@ class Container {
 }
 
 class One {
-    class object {
+    default object {
         var myContainer = Container()
     }
 }

j2k/testData/fileOrElement/issues/kt-820-string.kt

@@ -1,5 +1,5 @@
 class Test {
-    class object {
+    default object {
         public fun toFileSystemSafeName(name: String): String {
             val size = name.length()
             return name

j2k/testData/fileOrElement/issues/kt-820.kt

@@ -5,7 +5,7 @@ class Container {
 }
 
 class One {
-    class object {
+    default object {
         var myContainer = Container()
     }
 }

j2k/testData/fileOrElement/issues/kt-824-isDir.kt

@@ -6,7 +6,7 @@ import java.io.File
  * User: ignatov
  */
 public class Test {
-    class object {
+    default object {
         public fun isDir(parent: File?): Boolean {
             if (parent == null || !parent.exists()) {
                 return false

j2k/testData/fileOrElement/issues/kt-824.kt

@@ -5,7 +5,7 @@ class Container {
 }
 
 class One {
-    class object {
+    default object {
         var myContainer = Container()
     }
 }

j2k/testData/fileOrElement/issues/kt-837.kt

@@ -8,7 +8,7 @@ public class Language(protected var code: String) : Serializable {
         return other.toString() == this.toString()
     }
 
-    class object {
+    default object {
         public var ENGLISH: Language = Language("en")
         public var SWEDISH: Language = Language("sv")
         private val serialVersionUID = -2442762969929206780

j2k/testData/fileOrElement/issues/kt-871.kt

@@ -1,7 +1,7 @@
 package demo
 
 class Program {
-    class object {
+    default object {
         public fun main(args: Array<String>) {
             System.out.println("Halo!")
         }

j2k/testData/fileOrElement/issues/kt-879.kt

@@ -1,5 +1,5 @@
 class Test {
-    class object {
+    default object {
         public fun getInt(i: Int): Int {
             when (i) {
                 0 -> return 0