Merge remote-tracking branch 'origin/develop' into 13x

# Conflicts:
#	tests/org.eclipse.emf.edapt.common.tests/META-INF/MANIFEST.MF

Change-Id: I16f917780905f8d0e7e2db5ef9f05a2a93396d5d
Signed-off-by: Johannes Faltermeier <jfaltermeier@eclipsesource.com>