Major restructuring:

* Moved Audio module into its own project, eve.
* Moved PortAudio bindings into new audio project, eve.
* Moved FFmpeg wrapper into its own project, python-ffmpeg.
* Moved Addons module into its own project, harmony-frameworks.
Added python-ffmpeg submodule.
Commented out old code in Image.
Fixed imports.
Removed PortAudio bindings.