add new colorspaces support.

update for avs+ r2150.

- add new colorspace support.

update avisynth.h

20160705

update avisynth.h to Avisynth+MT r2005.

RawSource for avs+MT

This plugin is only for Avisynth+MT r2003 or later.
Avisynth2.6 is not supported.

add x64 binary

add x64 binary.