Updated to Bukkit 1.7.2 DEV

- Updated to the newest 1.7.2 bukkit development build (some things may
still be unstable)
- Fixed NPCs for the new 1.7 Minecraft
- Fixed Quest Manager not completing quests
- Fixed new players joining causing an error
- Started changing from item ids to item names (because ids are now
deprecated)
Added back the default messages

- Added back the default messages that got lost in the last commit