Issue description: Ticking block entity crash on server. Missing storage disks/items on reboot.

What happens: Server crashed and upon rebooting, I had 3 disk drives that were facing the wrong direction and all of their storage disks were missing, and obviously the items they contained.

Steps to reproduce:

1. Unsure, happened when no one was logged into the server.

Version (Make sure you are on the latest version before reporting):

• Minecraft: 1.10.2
• Forge: forge-1.10.2-12.18.1.2073-universal.jar
• Refined Storage: refinedstorage-1.0.1.jar

Does this issue occur on a server? Yes

If a (crash)log is relevant for this issue, link it here:

http://pastebin.com/UXVRGyKH

i do not think this has been fixed