added .gitignore to bin
removed useless java file
changed NsURI from agesys to eclipse
Xcos traceability setup: Visitor, ReachableObject, ReachableHandler,
objectHandler, TTypesProvider
First prototype for Xcos traceability engine
fixed issues on xcos traceability
finalized xcos parsing
removed useless traces
Fixed performance issue

too many NEW events posted ln traceability changes