Fixed RedditRipper (Removed GoneWildRipper).

RedditRipper retries download on timeout (should be a global setting)
Fixed Imgur URLs not being recognized in some cases
Fixed UI exceptions caused by modifications to the UI outside the event thread.
small fix
Reverting deletion of GoneWildRipper
Merge pull request #4 from maesse/master

Fixing reddit ripper, imgur image retrieval, UI bugs.