Fixed bugs in mozilla delete tags


git-svn-id: https://plugins.svn.wordpress.org/wp-sticker-notes/trunk@878181 b8457f37-d9ea-0310-8a92-e5e31aec5664
Bug fixes 

git-svn-id: https://plugins.svn.wordpress.org/wp-sticker-notes/trunk@878182 b8457f37-d9ea-0310-8a92-e5e31aec5664