added default groupId to POMs as workaround for Tycho bug 409912
Merge branch 'v0.10.x_bugfix' into v0.10.x

Conflicts:
	distribution/pom.xml
	integrity-parent/pom.xml
	integrity.pom.xml
	pom.xml
removed swing bindings from pom.xml
Merge branch 'v0.10.x_bugfix' into v0.10.x
added default xtext comment
now bumped POM version to 0.10.4 for real!