Deprecation TODO's for post - 0.7x

public/src/components.js: remove pre-0.7x compatibility code
public/src/client/topic/postTools.js: remove selectors for every post button (ex. ".edit")
remove all pre-0.7x compatibility selectors for: Topics - .post-content .topic-title .post_reply .edit .delete .purge .move .reply .quote .chat .flag .thread_active_users .browsing-users .thread_active_users .user-count