Remove README.txt from handlers.

cloudooo/handler/ffmpeg/README.txt

-FFMPEGHandler
-FFMPEGHandler is a handler of cloudooo for developing GUI convertion applications
-using FFmpeg cross-platform.
-
-Introduction
-The FFMPEGHandler package defines a single class, Handler, which is interface to
-audio and video convertion into cloudooo.
-
-FFMPEGHandler has been developed with python 2.6 and ffmpeg 0.6.1.
-
-Example
-
-Converting file:
-
->>> from cloudooo.handler.ffmpeg import Handler
->>> handler = Handler('my_path_data', open(test.ogv).read(), 'ogv')
->>> converted_data = handler.convert('mpeg')
-
-Getting information of file:
-
->>> from cloudooo.handler.ffmpeg import Handler
->>> handler = Handler('my_path_data', open(test.ogv).read(), 'ogv')
->>> metadata = handler.getMetadata()
->>> metadata
-{ 'ENCODER': 'Lavf52.64.2'}
-