Bump versions and fix new plugins for Mars M3

Change-Id: I068b7bbe616aca47e490a597de4b3e78006ee229
Add missing copyrights

Change-Id: Idf3ab05962b4f53a66216a0825fa8b9ef28f228a
Fix the "copy all non-conflicting" actions

This will ensure that the two "copy all" actions from the
EMF Compare UI will merge only the differences that are
neither in conflict nor depending (directly or not) from a
difference that is in a real conflict with another.

Change-Id: Ia6e70c660e4e952a5b4bb8a3fcf414d1b6778894
[449162] Fix IllegalStateException: The resource set is disposed

Bug: 449162
Change-Id: I6dfebe9e66d296229b3fa99267a9c33ef699c8cd
Signed-off-by: Axel Richard <axel.richard@obeo.fr>
Also-by: Laurent Goubet <laurent.goubet@obeo.fr>
Merge "[449162] Fix IllegalStateException: The resource set is disposed"
Various API issues

Change-Id: I90b2bb9d1264046589c95e505b9c91c52927a317