Make blood filter remove painkiller and stimulatnt totals
Make blood analysis detect meth, and blood filter remove "High on meth" effect
Make blood filter remove all other drug based diseases
Make blood analysis detect all drugs
Fixed #1088

When dropping vehicle trunk overflow items to ground, don't start dropping all of the items again. Only drop items that haven't already been dropped to the trunk.

Somebody please look this over to make sure I haven't broken anything.
Merge blood analysis and filtering extensions.
Merge fix to vehicle trunk duplication bug.