Added possibility to exclude folders from file modification check.
Layout optimizations.
Updated signatures and whitelist.

git-svn-id: https://plugins.svn.wordpress.org/wemahu/trunk@863552 b8457f37-d9ea-0310-8a92-e5e31aec5664
Bugfix: Table update was not correctly triggered on plugin update.

git-svn-id: https://plugins.svn.wordpress.org/wemahu/trunk@863566 b8457f37-d9ea-0310-8a92-e5e31aec5664