whole bunch of gun stuff
sprite and fix
metastation fix
Merge remote-tracking branch 'remotes/upstream/master' into deepgunlore

Conflicts:
	code/modules/projectiles/projectile.dm
Merge remote-tracking branch 'remotes/upstream/master' into deepgunlore

Conflicts:
	code/game/objects/items/weapons/storage/uplink_kits.dm
Merge pull request #4373 from paprka/deepgunlore

Whole bunch of gun-related stuff