add pyaudio interoparability example
renamed for consistency

--HG--
rename : examples/10_compat_PIL.py => examples/10_decode_video_PIL.py
rename : examples/11_compat_video_pygame.py => examples/11_decode_video_pygame.py
rename : examples/12_compat_video_PySDL2.py => examples/12_decode_video_PySDL2.py
rename : examples/13_compat_audio_pyaudio.py => examples/13_decode_audio_pyaudio.py
bump to 0.3.4
update hgignore