make the new version completely compatible with old versions, and add new display and new descriptions on configuration pages

git-svn-id: https://plugins.svn.wordpress.org/tea-theme-options/trunk@783642 b8457f37-d9ea-0310-8a92-e5e31aec5664
Change to 1.4.9.4

git-svn-id: https://plugins.svn.wordpress.org/tea-theme-options/trunk@783643 b8457f37-d9ea-0310-8a92-e5e31aec5664
Change to 1.4.9.4

git-svn-id: https://plugins.svn.wordpress.org/tea-theme-options/trunk@783645 b8457f37-d9ea-0310-8a92-e5e31aec5664