Replaces doubled 556 entry with two types of 40mm grenades.
MOAR BULLITZ
MOAR 556!
Updated.
Changed some char fields in itype.h to int fields

fixes #4741
More duplicate entries.
Tab removal.
Derp.
removed dead code from json.cpp
more robust NULL pointer checking in item.cpp
reasonable default value in editmap's UI stuff
took out unused variable
took out unused variable
added more robust NULL derefrence checking
moved closing the dir into the loop that checks to make sure it is not NULL
added break control in perform_technique when the target isn't set correctly
fixed bug where incorrect charges were being used in welding
fixed unused variable warning
fixed bug where cattle tail didn't knock off spores
Give the knee high boots their proper name.