WIKI-125 Fix bug of default text for filter input
WIKI-125 Fix to open the popup before call the rest service
WIKI-125 implement cache in js for better performance
WIKI-125 Implement to get invaliding cache time from system variable
Merge branch 'feature/space-switcher' into feature/navigation

Conflicts:
	commons-webui-resources/src/main/webapp/javascript/eXo/commons/UISpaceSwitcher.js