Documentation update.

git-svn-id: https://farcry.jira.com/svn/FC/trunk@12874 8f7d33b6-1012-0410-9a5a-bb7ecce9c363
site tree, update icon styling for latest font awesome

git-svn-id: https://farcry.jira.com/svn/FC/trunk@12875 8f7d33b6-1012-0410-9a5a-bb7ecce9c363
FC-2741: Assigning icon defaults for core content types.

git-svn-id: https://farcry.jira.com/svn/FC/trunk@12876 8f7d33b6-1012-0410-9a5a-bb7ecce9c363