display caps lock warning for password field on login page

git-svn-id: http://svn.montala.net/svn/resourcespace@4299 c08608d7-6e46-0410-86ca-f2a6f1370df5
change_password renamed to user_preferences and requests existing password to change password

git-svn-id: http://svn.montala.net/svn/resourcespace@4300 c08608d7-6e46-0410-86ca-f2a6f1370df5
changed additional references to change_password

git-svn-id: http://svn.montala.net/svn/resourcespace@4301 c08608d7-6e46-0410-86ca-f2a6f1370df5