1.8 support and repair enhancement

• Minecraft 1.8 support
• Ability to choose which enchantment is needed for tools to be repairable. It can also be "ANY" enchantment.
• Auto repair now searches for bottles in the whole inventory
• "Fixed" a "bug" that made bottles remain with 1 durability point not repaired after using /mb repair
• Code improvements and more bug fixing

Note: Now there's one jar file for each Minecraft version.