Add a dashboard part with complex selection management (3 viewers in
same part and selection loop).

Change-Id: I2ea77ad4365138ddbe72fde07988aa2ee556b767
Signed-off-by: Olivier Prouvost <olivier.prouvost@opcoach.com>
Remove the import package of javax.annotations as described in bug
426352. It is now reexported by platform and is useless since Kepler
3.4.2 and then Luna.
Merge remote-tracking branch 'origin/master'

Conflicts:
	e4/com.opcoach.training.e4.rental.ui/src/com/opcoach/training/e4/rental/ui/parts/RentalAgencyDashBoard.java
	e4/com.opcoach.training.e4.rental.ui/src/com/opcoach/training/e4/rental/ui/parts/RentalAgencyPart.java