Update mech.shp to be the HIRES sprite
Added a faction superpower icon for armor airdrop
Merge pull request #3060 from psydev/bleed

slight mod. harv's unload rate & display of $ amt.
Merge pull request #3059 from cjshmyr/master

SHP updates
Merge pull request #3061 from psydev/bleed

fixed spice regen rate; rename some weapons to original names
added separate explosions.yaml for weapons
explosions added in weapons/ folder; defaults l8r
cleaning up pre-requisites: refinery
rename e3 weapon 'bazooka'; removing aa for now