Merge master into feature/stabilization
UI-3205: UI issues in Space List, People List, Member List
SOC-4335 | social-extension-config.jar in Platform distribution
SOC-4107 | UI issues in Member list. Resize height when size of list changed.
SOC-4041 | Bugs with My Activities filter when adding status into the Activity Composer of a connected user
SOC-4332 | Broken default activity of renamed space.
SOC-4335 | social-extension-config.jar in Platform distribution
Merge feature/stabilization to master
SWF-2923 : Create pkg-improv branch and update projects versions

Signed-off-by: Arnaud Héritier <aheritier@exoplatform.com>