Local objects (#215)

* bug fix

* bug fix with nested inner classes

* - fixed FixMeInner
- support of inner classes in local classes
- support of object expressions in initializers

* comments

* merged modification

* - review fixes
- tests

* review fixes

* review fixes

backend.native/tests/codegen/localClass/objectExpressionInProperty.kt

@@ -0,0 +1,21 @@
+abstract class Father {
+    abstract inner class InClass {
+        abstract fun work(): String
+    }
+}
+
+class Child : Father() {
+    val ChildInClass = object : Father.InClass() {
+        override fun work(): String {
+            return "OK"
+        }
+    }
+}
+
+fun box(): String {
+    return Child().ChildInClass.work()
+}
+
+fun main(args: Array<String>) {
+    println(box())
+}