Scikit-video

-----
- Adding BSD license file

-----
- Dropping ffmpeg 2.1 support
- removed libav warning when ffmpeg is already installed
- scene detector uses less memory

-----
- Added Video Bliinds and BRISQUE quality feature extractors
- Added ST-RRED, MS-SSIM, SSIM, NIQE, Video Oracle quality metrics
- Added initial windows support
- Added supporting unit tests
- Python3 compatibility patches
- Fixed assortment of bugs
- Fixed file descriptor deadlock when using too much data

-----
- Added scene detection, motion estimation, and miscellaneous examples
- Fixed bug of not closing FFmpeg when using vread/vreader
- Fixed bugs with scene detector and motion estimation

-----

- Added scene cut detection functions
- Added global motion estimation
- Added edge extraction, but only canny edge detection for now
- Added more examples to the documentation