Fixed the default Kotlin CodeStyle.

By default add space before colon when it placed between types (inheritance, type constraint, type parameter).
Added example of inheritance to the Sample.

idea/src/org/jetbrains/jet/plugin/formatter/JetCodeStyleSettings.java

@@ -28,7 +28,7 @@ public class JetCodeStyleSettings extends CustomCodeStyleSettings {
     public boolean SPACE_BEFORE_TYPE_COLON = false;
     public boolean SPACE_AFTER_TYPE_COLON = true;
 
-    public boolean SPACE_BEFORE_EXTEND_COLON = false;
+    public boolean SPACE_BEFORE_EXTEND_COLON = true;
     public boolean SPACE_AFTER_EXTEND_COLON = true;
 
     public boolean INSERT_WHITESPACES_IN_SIMPLE_ONE_LINE_METHOD = true;

idea/src/org/jetbrains/jet/plugin/formatter/JetLanguageCodeStyleSettingsProvider.java

@@ -57,7 +57,7 @@ public class JetLanguageCodeStyleSettingsProvider extends LanguageCodeStyleSetti
                         "}";
             default:
                 return
-                        "class Some {\n" +
+                        "open class Some {\n" +
                         "  private val f = {(a: Int)->a*2}\n" +
                         "  fun foo() : Int {\n" +
                         "    val test : Int = 12\n" +
@@ -66,7 +66,8 @@ public class JetLanguageCodeStyleSettingsProvider extends LanguageCodeStyleSetti
                         "  private fun <T>foo2():Int where T : List<T> {\n" +
                         "    return 0\n" +
                         "  }\n" +
-                        "}";
+                        "}\n\n" +
+                        "class AnotherClass<T:Any>: Some";
         }
     }