added dependency on modules core and modele

modified iml file of IDEA integration plugin to have model and core modules of DAMapping available in classpath
introduction psiparsing package in idea plugin
added notes on removing model dependency on javax
removing unused method parameter
removing dependency on javax Modifier enum

removed use of enum javax.lang.model.element.Modifier in model and core modules so that model and core can be used with Psi model of class in IntelliJ IDEA plugin
moved most of javax.lang out of model and core

moved all dependencies on javax.lang in modules model and core except for two enums yet : TypeKind and ElementKind