More reverting of the invalid name changes done during the rebranding.

At first glance this fixes all the naming issues at the type level.
There probably still many methods/fields which were incorrectly
renamed.

Change-Id: Ia860088ca4cf29444667241eaacad94ab1c44733
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
[build] Add top-level wrapper POM and instructions for easier build

Change-Id: I4580602b2088c067aee396f8d8a41c5e0863578f