renaming classes to first caps - DB, Language, Listener, and Users

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@45 e374cdb8-7ee8-0d77-fd1e-c554042f9154
renaming classes to first caps - DB, Language, Listener, and Users

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@46 e374cdb8-7ee8-0d77-fd1e-c554042f9154