Variables Types w/o Parameter
Cleanup + added JavaDoc with following URL
http://docs.oracle.com/javase/8/docs/jdk/api/javac/tree/
implemented Constructor Type
Breakthrough to get some Parent Element Names
working on #15
solved Parameter issue #17
partly solved #18, only missing thing is getting the scope !
fix #21
Scope for Variables wrapper
Update .gitignore

same mod like in master
included abstract scope for Class(solved #20), Method (solved #19) +
changed implementation for Var (solved #18) to get one Method for all,
still having issues with Parameters and a faulty parent declaration
minor change
Merge remote-tracking branch 'github/JavaTreeAPI'