Merry Christmas, SS13! Added tons of new stuff.

Added Pine Tree seeds! 
Changed how presents work!
Added new traitor items!'
Did christmas stuff!
Fixed the "you can't extract cash seeds" bug!
Moved spessdosh out of weapon.dm because why the fuck was it in there god damn
Fixed potential runtime in #2000 as it was missing gatfruit-dead.

Also, happy #2012