Ignore some Visual Studio files
Add Visual Studio 2013 project files
Merge remote-tracking branch 'remotes/davispuh/vs'
Add filter_spec Python script for filtering OpenGL specification files.
Bump copyright notice to 2014.
Sort the enums (tokens) in a stable manner for consistency in include files.
Link to fresh snapshots for download
Fixups for specifiation URLs.
Merge branch 'master' into subset