Refactor sidebar code so we are not creating static DOM elements in JS.
Updated explore.html so we use the module name and not the widget name
Fixed bug with menu item widget where there was no submenu
Merge remote-tracking branch 'upstream/master'

Conflicts:
	opensocial-explorer-webcontent/src/main/javascript/modules/widgets/sidebar/SidebarNav.js
Merge pull request #56 from ryanjbaxter/master

Refactor sidebar code so we are not creating static DOM elements in JS.