Improved plugin performance by cutting some queries.
Fixed multiple issues outlined by users.


git-svn-id: https://plugins.svn.wordpress.org/all-in-one-event-calendar/trunk@921691 b8457f37-d9ea-0310-8a92-e5e31aec5664
Removing legacy templates cache.

git-svn-id: https://plugins.svn.wordpress.org/all-in-one-event-calendar/trunk@921694 b8457f37-d9ea-0310-8a92-e5e31aec5664