Merge pull request #19 from leafo/master

Add asynchronous HTTP requests for images and games
Fixes fresh installs
Fixes things for when favorites aren't init'd from file.
adding downloading icons
Fixing favorite bug
nesting dogame currently_downloading conditional
adding downloader dt and downloader dt incrementer
showing downloading icons when stuff is downloading
Forking the *nix start so that when games are started, downloads are not blocked by new thread
Adding git info
Screenshot update
add my ludum dare games