Added logging -g flag

Fixed whitespace
Merge pull request #137 from StevenHickson/master

Turned logging off and added a -g flag to enable logging
Use av_dump_format output for -i info option
Add new options to configure audio and video file reading queues, and audio and video GPU fifo sizes

--audio_fifo  n           Size of audio output fifo in seconds
--video_fifo  n           Size of video output fifo in MB
--audio_queue n           Size of audio input queue in MB
--video_queue n           Size of video input queue in MB
More care with going into and out of buffering.

Try to wait for GPU fifos to be full before resuming from buffering.
Use pre-roll mecahnism from clock.
Add Stasik0's prepare-native-raspbian.sh script to help building on the Pi
Updated README.
Merge pull request #144 from skgsergio/master

Update README with new options