[build] Publish master as 3.0.0

No actual bundle or feature version has been changes, this is just a
change in the location where the nightly builds from master are promoted
to isolate them from the 2.0.x maintenance builds.

Change-Id: I008a067ab4e2e01d5dc647a94017691ca9ccfa50
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
[releng] Add script to build from a set of unmerged Gerrit changes

The script can be used to build (and launch tests) on the result of
cherry-picking all the Gerrit changes for a given branch and
topic (assuming they can be cleanly applied in the order Gerrit returns
them). See the script itself for the details.

Change-Id: Ibc4e47b8d18c46584093da7c2f189811ba7ca3f6
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
[449193] Remove Acceleo 3 expressions in Sirius code

Bug: 449193
Change-Id: I4ad1d41d2f488ed8d8f505b4056e3e4735368c51
Signed-off-by: Belqassim Djafer <belqassim.djafer@obeo.fr>