changes in subtitles, added mask_to_rgb to write_gif, corrected doc
modernized ipython_display, updated docs
fixed (?) pip-install
Merge pull request #94 from jdelman/master

Allows user to pass additional parameters to ffmpeg when writing audio clips
- changed none to None due to NameError
Merge pull request #95 from Eloar/patch-1

- changed none to None due to NameError
fixed "clip leak" bug, fixed opencv resize, changed messages/warnings
Merge branch 'master' of https://github.com/Zulko/moviepy
incremented version
added screenshot in readme
correction readme
small screenshot for README in Github
print video command