This is part 2 of fixing ecasound recordings from line-in. Part 1 restored the User-Interface, part 2 takes care of getting to the point where ecasound gets started, records something and uploads it through rest when done. Part 3 will take care of making sure that the recorded file is mapped to the show and not just stored as a new track.
I refactored api_clients to not use urllib2 for posting multipart data since I was loosing my sanity over it and requests seems to have a modern approach to doing this compared to what api_clients was previously doing.
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