Added xtext plugin for ros_packages. Modified codeine to support xtext files.
Updated dsl package.
Some minor dsl syntax changes.
Added yaml based package dsl.
Updates to yaml based dsl.
Added initial dsl for smach coordinators.
Xtext - gmf integration: integrated serialization into xtext, but still parser error, due to wrong registration of xtext model
Modified FileAction to use XtextResource instead of XMIResource. This is hardcoded and should in theory be done by xtext automatically. Somehow it doesn't.
Removed old Datatype stuff from edit files
merged from abubeck