henshinTGG: refactoring of comments
BUGFIX - corrected propagation, error was introduced by
incomplete refactoring
new features for model integration
moved examples to separate plugin
BUGFIX - list of applied rules in editor dialog is complete
now - last rule entry was missing; bug was introduced in previous update
BUGFIX - generation of operational rules, corrected null
pointer exception introduced by previous update
henshinTGG: refactoring of comments
Merge branch 'MainDevelopment' of https://github.com/de-tu-berlin-tfs/Henshin-Editor.git into MainDevelopment

Conflicts:
	de.tub.tfs.henshin.tgg.editor/src/de/tub/tfs/henshin/tggeditor/actions/RestrictGraphAction.java
	de.tub.tfs.henshin.tgg.editor/src/de/tub/tfs/henshin/tggeditor/util/GraphUtil.java
	de.tub.tfs.henshin.tgg.interpreter/src/de/tub/tfs/henshin/tgg/interpreter/TGGEngine.java
	de.tub.tfs.henshin.tgg.interpreter/src/de/tub/tfs/henshin/tgg/interpreter/impl/TGGEngineImpl.java
removed obsolete files