moving NavBar and DataTables classes into Widgets folder/namespace

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@71 e374cdb8-7ee8-0d77-fd1e-c554042f9154
updated index define checks

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@72 e374cdb8-7ee8-0d77-fd1e-c554042f9154
moving main.html.php, main.css, and custom.css.optional to portal/html/default/

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@73 e374cdb8-7ee8-0d77-fd1e-c554042f9154