MinecraftForge/MinecraftForge — pull request #600 by Lunatrius (2013-06-08 04:00:02+00:00)
Title: Added rotation support for all vanilla blocks that can be rotated.

Not much to say. The only things that haven't been added are slabs (would be a 180 degree rotation) and stairs from the side (same reason). All other blocks should be included, if they can be rotated.