SWF-2988 : Create addon-container branch and update projects versions
PLF-5980 Using Addon container to display portlets
PLF-5980 add css and all other AddonContainers:
 - TopNavigationContainer
 - LeftNavigationContainer
 - TopRightGadgetContainer
 - BottomRightGadgetContainer
 - BottomWikiContainer
 - BottomDocumentContainer
 - BottomSocialContainer
 - TopSocialContainer
 - TopLeftNavigationContainer
 - TopRightNavigationContainer
 - BottomAllContainer
PLF-5980 rename addon containers as in spec
PLF-5980 rename addon container as in spec (2nd time)
PLF-5980 rename center-topNavigation-container to middle-topNavigation-container
Merge branch 'feature/addon-container'