ignoring more option updates

git-svn-id: http://plugins.svn.wordpress.org/observer/trunk@769748 b8457f37-d9ea-0310-8a92-e5e31aec5664
version change

git-svn-id: http://plugins.svn.wordpress.org/observer/trunk@769751 b8457f37-d9ea-0310-8a92-e5e31aec5664
Made the 'active_plugins' option log more readable by identifying which plugin was activated or deactivated.
Merge branch 'master' of github.com:amwhalen/observer