Image::redfine now takes a target parameter, Image11 creates an appropriate resource based off of the target.

TRAC #22705

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Geoff Lang

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2174 736b8ea6-26fd-11df-bfd4-992fa37f6226