1.5 Pre-Release updates/fixes
Fix for Ender Portal Frame, w/eye of ender, in all orientations
Minor fix for Comparator back torches
Update to lighting on Quartz stairs
Added Quartz Half Slabs
Added Hoppers
Screenshot: http://i.imgur.com/nB2Nzp6.jpg
Merge pull request #895 from skeight/snapshot

1.5 Pre-Release updates/fixes