Rename jet -> kotlin in idea: refactoring, codeInsight

org.jetbrains.jet.plugin.* -> org.jetbrains.kotlin.idea.*

idea/testData/copyPaste/conversion/SeveralMethodsSample.java

@@ -25,7 +25,7 @@ class A {
 
     @Override
     protected String getDimensionServiceKey() {
-        return "#org.jetbrains.jet.plugin.refactoring.safeDelete.KotlinOverridingDialog";
+        return "#org.jetbrains.kotlin.idea.refactoring.safeDelete.KotlinOverridingDialog";
     }
 
     public ArrayList<UsageInfo> getSelected() {
@@ -37,4 +37,4 @@ class A {
         }
         return result;
     }</selection>
-}
+}