At a glance. Activation/deactivation hooks. v0.50

git-svn-id: https://plugins.svn.wordpress.org/theatre-wp/trunk@983021 b8457f37-d9ea-0310-8a92-e5e31aec5664
Readme update. v0.50

git-svn-id: https://plugins.svn.wordpress.org/theatre-wp/trunk@983022 b8457f37-d9ea-0310-8a92-e5e31aec5664