removed TTC workshop specifics from tgg interpreter gui
henshin interpreter: recovered correction for HenshinEGraph.java that
was overwritten by henshin engine update
henshin tgg - model refactoring
henshin tgg - merging henshin engine updates
henshin tgg editor: improved exception handling, when some files are
missing
henshinTGG: migragted cd2rdbm example to new henshinTGG version,
corrected one marker in Class2Table rule
henshinTGG: automatic removal of deprecated layout information (tRules)