Changed OnGameStart event to OnInitGlobalModData. This will be more reliable with sandbox options taking effect in-game.

• Fixed an issue where broken sharp tools would work. Thanks to Carlesturo for pointing that out
  
• Added all hard-coded texts to translation files to facilitate translation to other languages

Fixed an issue with chopping sound in multiplayer

Added two more sandbox option to control whether or not the zombie meat is poisonous, and how severe the poison is. These options won't affect items that are already there when changing them, and will require a restart

Removed redundant code