Store refactoring

 #KT-1213 Fixed
Prefix inc refactoring
Get rid of store
Rewrite local var increment optimization
Fix for KT-4206: NoSuchFieldError with class objects

  #KT-4206 Fixed
Lazy receiver generation
Added thiz constant in StackValue, some refactorings
Get rid of lazy cast
StackValue interface refactoring
Introduce LOCAL_0 constant and some code cleaning
Fixed property increment
Interface refs
Coercion fix