Rename kotlin properties with all usages

#KT-4317 Fixed
 #KT-4316 Fixed

compiler/backend/src/org/jetbrains/jet/codegen/PropertyCodegen.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2013 JetBrains s.r.o.
+ * Copyright 2010-2014 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -387,10 +387,12 @@ public class PropertyCodegen extends GenerationStateAware {
         }
     }
 
+    @NotNull
     public static String getterName(Name propertyName) {
         return JvmAbi.GETTER_PREFIX + StringUtil.capitalizeWithJavaBeanConvention(propertyName.asString());
     }
 
+    @NotNull
     public static String setterName(Name propertyName) {
         return JvmAbi.SETTER_PREFIX + StringUtil.capitalizeWithJavaBeanConvention(propertyName.asString());
     }