operation dialog won't crash on application exit
Merge branch 'master' of github.com:DoUML/douml
this should fix roundtrip for non-compatible projects
  and for python too
minor code change. shuld have no effect
Merge branch 'master' of github.com:DoUML/douml
fixing to integrate possble other prefix
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/RoundtripBody/UmlOperation.cpp