Clear the backstack when kicking the user out to log in so that they can quit with the back button
Apply Holo Dark theme to vote dialog. Still need to put together dark theme stuff for the spinner though
Add download action item for torrent detail fragments, can now also go view the uploader's profile

Changed the way DownloadDialog and its callbacks worked to properly handle orientation changes
Pretty hard to read the mismatched style spinner so revert to holo light theme for now

Also show clickable artist names in the header in blue color and for various artists show it a bit greyed out. Properly handle no year in an artist's requests listing