-Fix to reduce file size of fragments
-Fix to greatly reduce loading time for henshin grammars
- fix for partial Layouting of Rules
  Layouter ensures enough space for all correspondence and source nodes
- fixes for Copy and Paste of Henshin and Tgg Elements
- fixed Copying of Rule elements that are present in RHS and LHS
- Fixes for Folders "RuleFolder", "FTRuleFolder", "BTRuleFolder",
"ITRuleFolder", "CCRuleFolder"
	- folders cannot be copied/copied/renamed anymore
	- "RuleFolder", "FTRuleFolder", "BTRuleFolder", "ITRuleFolder",
"CCRuleFolder" are reserved for the root folders, other folders cannot
have the same names anymore
	- names for root folders cannot be chaanged anymore
- fixed multiple multiple entries in the toolbar of the Graph Editor
- bugfixes
- EMFModelManager skips directories for Collaboration Tools
(svn,git,cvs) now
- missing feature will not cause crashes anymore
- fix for missing imported Packages
Merge remote-tracking branch 'origin/SES_Improvements'