Fix a tesseract fluid issue.
Hopefully stop corruption hitting gas tanks.
Add config options to blacklist the different power systems.
This should help people avoid IC2 problems with console spam, but such a "solution" only relieves the most obvious symptom of chunk-thrashing, it doesn't stop the thrashing itself.
Fix ItemInfo.equals() not functioning as intended.
Use object default hashCode in ItemInfo for Item.

Also change the hashCode() algorithm slightly.
Change OreDictCache to hit the hash map one fewer time.
Fix > 3D Bow Bug
Merge pull request #1883 from TheJulianJES/patch-1

Fix > 3D Bow Bug
Merge pull request #1876 from sk89q/oredictcache-fix

Fix some performance issues with OreDictCache
Merge branch 'master' into development