Add support for parsing ANGLE and REGAL specs from glew branch of git repo.
Fixup URLs for ANGLE and REGAL extensions.
Revamp VC10 projects based on patch from Matias Ghioldi

https://sourceforge.net/p/glew/patches/37/
Revert "Use git instead of clone to download OpenGL registry."

This reverts commit 974679c6d884fda238cdceb5c8211fc269cde1a3.
Revamp dist-src and dist-win32 Makefile targets.
Regularize paths in VC10 projects with back slash.

Other tidy-up for Visual Studio quality of life.
auto/bin/update_registry.sh isn't used anymore.
Add support for OpenGL 4.4
Documentation updates for GLEW 1.10.0 release.
GLEW release version 1.10.0
Merge branch 'master' into subset
Fix for subset mode, define GLEW_SUBSET_GL_VERSION_3_0 for glGetStringi purposes.