Add partial support for parsing layout qualifiers, added in the GLES SL 3.00 spec. This allows us to run a lot of ES3 unit tests and sample apps. TRAC #23089 Signed-off-by: Nicolas Capens Signed-off-by: Shannon Woods Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2409 736b8ea6-26fd-11df-bfd4-992fa37f6226