Touch-up: Sort the enums (tokens) in a stable manner for consistency in include files.
GLEW Bug #215 Readme - is wrong

https://sourceforge.net/p/glew/bugs/215/
For mingw builds, define GLEW_BUILD unconditionally for shared libs only.
Merge https://github.com/nigels-com/glew.git into master HEAD at Sat Sep 27 17:52:51 GMT 2014