Undo Ratio display
Reset Queue, Buyables Tool Tips

Added the actual reset action to a queue, hopefully to fix:
http://www.reddit.com/r/derivclicker/comments/2ezx0g/proofs_and_mathematicians_for_next_currency_wrong/

Added which tier of reset currency each buyable costs, as it is causing
confusion. Many threads in subreddit about it, hopefully this helps.
Merge remote-tracking branch 'origin/gh-pages' into clicktick