Merge branch '13x'

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

Change-Id: I7f00d04282544b1e4b4be5b7a727bb3f7c77149e
Signed-off-by: Johannes Faltermeier <jfaltermeier@eclipsesource.com>