Added method to try and create thumbnails, given a file URL (not yet used).
Merge remote-tracking branch 'origin/master' into gb-thumbnails
Commit so that everyone has access to these files.
Thumbnails are now being displayed in the app!

UI still needs some prettying up.
Grid layout prettied up a bit!

Will still rename some of the activities...
Final cleanups to try and improve the look of the UI somewhat.
Merge pull request #9 from gemmakbarlow/gb-thumbnails

Gb thumbnails