Add javax.annotation dependency as import package

Change-Id: Ib71832863d40f9636d1189af032193829a161530
Signed-off-by: Olivier Prouvost <olivier.prouvost@opcoach.com>
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>