Fixed external dependencies and added features

Fixed a bug with handcuff update timer. Fixed a restart bug and made the
restart function public so it can be called from a filterscript via a
remote console command. Tweaked food-points drop rate.

Removed duplicate weapon definitions.

Tweaked loot data, and fixed weapon definitions.

Fixed a bug with the sit down animation only working when crouched.

Added rcon.pwn, it currently has one command which will restart the
server, more may be added for more direct control or in-game messaging.