Very accurate counting bullets and clips, left after battle.
Avoid conflicts:
	src/Battlescape/DebriefingState.cpp
uses std::map
optimization
xcom 2012 item recovery option

courtesy of grrussel
remove ClassicMouse handling option.

make it always on.
add some debug logging for extra resources.
logger didn't work how i thought.
Merge pull request #496 from redv/assemble_clips

Assemble clips
MODDERS REJOICE!!! NEW SOUNDS ARE EASY NOW!!!

that's right.
some helpful info.
some more useful debug output.
fix compiler error
compile damn you.
auto-confirm changes.
update changelog.
period.
Ruleset based starting date.