LPS-30300 Add default preview for assets
LPS-30300 Add new param portletData to porlet.js
LPS-30300 New icons for add content menu
LPS-30300 Modify css
LPS-30300 Add new module to add content to a page
LPS-30300 Add content front end
LPS-30300 move view_category.jsp from layout configuration portlet to dockbar portlet
LPS-30300 Remove unnecessary code
LPS-30300 Remove layout configuration portlet
LPS-30300 Remove dockbar portlets property