Correct /register usage
Fix ConcurrentModificationEx when removing properties from config-def
Remove inventory serialization
Remove NBT and inventory manipulation methods from CraftReflect
Remove MinecraftUtils
Add CraftReflect for v1_7_R1
Add empty block comment to AccountEventListener
Read health persistence as double instead of integer

Minecraft >1.6.1 uses doubles instead of integers to store health.
LogIt read the string as a double but tried to convert it to integer,
thus throwing NumberFormatException.