Reduce the number of "refines" differences for diagram extensions.
tree7cf5866c9924e3a4eaff213f541ccd4a374309e6
-rw-r--r-- 27 .gitignore
drwxr-xr-x - org.eclipse.emf.compare-parent
drwxr-xr-x - packaging
drwxr-xr-x - plugins