see https://github.com/eclipse/xtext-umbrella/issues/3
Remove org.eclipse.buildship.core.prefs
Files are generated on Gradle project import or by Oomph setup
Signed-off-by: Karsten Thoms <karsten.thoms@itemis.de>
connection.project.dir changed to composite build location in new
umbrella project
value 'containers' added by Buildship
Signed-off-by: Karsten Thoms <karsten.thoms@itemis.de>