this gives support for dropping projectiles and scrolls
allows droppping of throwing axe
stops picking up projectiles after thrown
Merge remote-tracking branch 'upstream/master' into drop-projectiles

Conflicts:
	src/inventory.lua

fixes arrow drop crash and throwing axe
Merge remote-tracking branch 'upstream/master' into drop-projectiles

Conflicts:
	src/inventory.lua

update to master
fixed missed merge issue
fixes throwing axe
Merge remote-tracking branch 'upstream/master' into drop-projectiles

Conflicts:
	src/inventory.lua

update to master
Merge pull request #1580 from CalebJohn/drop-projectiles

Allows dropping of projectiles