Renamed the passthrough shaders to show that they are for 2D.

TRAC #22926

Signed-off-by: Jamie Madill
Signed-off-by: Nicolas Capens
Author: Geoff Lang

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2278 736b8ea6-26fd-11df-bfd4-992fa37f6226
14 files changed