added portfolio section with video and a theme upgrade with improved navigation

git-svn-id: https://plugins.svn.wordpress.org/cairn/trunk@878404 b8457f37-d9ea-0310-8a92-e5e31aec5664
housekeeping


git-svn-id: https://plugins.svn.wordpress.org/cairn/trunk@878405 b8457f37-d9ea-0310-8a92-e5e31aec5664