PLF-3910 : [Top Navigation][Create Portlet] Implement CREATE WIKI PAGE entry
PLF-3858 [Top Navigation] Add "HELP" portlet in top navigation bar: delete "throws Exception"
COMMONS-219 set style by defaut is black
Merge remote-tracking branch 'origin/feature/navigation' into feature/navigation
PLF-3979 : a box search is displayed when the page is refreshed
PLF-3910 : [Top Navigation][Create Portlet] Implement CREATE WIKI PAGE entry
PLF-4011 The subfolder is folded after a navigation
PLF-4238 [Groups Portlet] If the navigation selected is a subnavigation we keep the unfold state on the navigation tree.

add hover state
add selection state
PLF-3911 :[Top Navigation][Create Portlet] Implement CREATE TASK/EVENT entry
Merge remote-tracking branch 'origin/feature/navigation' into feature/navigation

Conflicts:
	extension/resources/src/main/webapp/skin/platformSkin/UIToolbarContainer/Stylesheet.css
 PLF-3911 :[Top Navigation][Create Portlet] Implement CREATE TASK/EVENT entry
Deactivate all deprecated maven module (before deletion)
Merge branch 'master' into feature/navigation
COMMONS-219 : fix big