Fix the release theme so that it can show the domain name for multi-tenant

git-svn-id: http://fusionpbx.googlecode.com/svn/trunk@6782 e2954ef0-caed-11de-bd98-e341d93cc3cc
Add rgb2hex

git-svn-id: http://fusionpbx.googlecode.com/svn/trunk@6783 e2954ef0-caed-11de-bd98-e341d93cc3cc