Aesthetic change to the terrain group generated filenames - use hex and pad to 8 digits
Aesthetic change to the terrain group generated filenames - use hex and pad to 8 digits

--HG--
extra : convert_revision : svn%3A8631bf8a-c64b-0410-883c-f3eb003322f7/trunk%401408

largerussiangames/ogre,ehsan/ogre,vancepym/ogre,largerussiangames/ogre,ruleless/ogre,bhlzlx/ogre,ruleless/ogre,nezticle/ogre,bhlzlx/ogre,jhu-lcsr-forks/ogre,nezticle/ogre,nezticle/ogre,ruleless/ogre,largerussiangames/ogre,ehsan/ogre,vancepym/ogre,bhlzlx/ogre,ehsan/ogre,ehsan/ogre,jhu-lcsr-forks/ogre,ruleless/ogre,vancepym/ogre,jhu-lcsr-forks/ogre,bhlzlx/ogre,vancepym/ogre,bhlzlx/ogre,ruleless/ogre,jhu-lcsr-forks/ogre,nezticle/ogre,ruleless/ogre,vancepym/ogre,largerussiangames/ogre,ehsan/ogre,bhlzlx/ogre,jhu-lcsr-forks/ogre