Added help icons for important options

There are now wiki pages explaining some of the more important options, and I have added help icons to the Options tab that link directly to those pages.
Icons for help buttons
Credited @tyrcho for his work
Fixed duplicate logging of cards drawn

The uploader was typically starting two threads for monitoring the log (and sometimes more) which meant two 'card drawn' notifications were occurring and the deck overlay was having cards removed too quickly (see #329)
Fixed match popup appearing after each match

One of the logic tests was the wrong way around, which also meant you couldn't submit after the match popup appears.
Merge pull request #331 from gtch/master

Cleanup and new help documentation