Rolled back r8764 - as per Peter Ersts request we will leave raster unit test failing for the release until we have explained the small differences in raster rendering between 0.10.0 and 0.11.0

git-svn-id: http://svn.osgeo.org/qgis/trunk@8768 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: timlinux