Crafting seats require springs, pedals chunks.
Merge pull request #346 from veryinky/CraftingSeatPedal

Crafting seats require springs, pedals chunks.
Added some stuff to the changelog
Merge branch 'master' of https://github.com/TheDarklingWolf/Cataclysm-DDA
Mininukes require a grenade or 2 40mm concussive/frag.
Fix traps overwriting each other.
Made the message when you attempt to close the curtains from outside more informative.
Added new IF_NO_UNLOAD flag, used to prevent a weapon from being unloaded. (Charge rifles, LAWs, etc).
Remove >< from possible inventory letters
Merge pull request #351 from Voker57/fixes

Remove >< from possible inventory letters since they make items inaccessible
Merge github.com:TheDarklingWolf/Cataclysm-DDA