added check to prevent installing add-on on XenForo 1.2
updated install routine to update old alerts and optouts
v3.0.2 -- version bump
v3.0.3 -- added reorder option
v3.0.4 -- removed unused templates
fixed bug profile post comment http://xenforo.com/community/threads/incorrect-username-displayed-in-profile-comment-tag.72176/
v3.0.4b -- version bump