Less shitty undershirt sprites.
Fixes #5283 and #5315

All it took was some fancy switches.
Fixes #5311
Merge pull request #5313 from Zuhayr/master

Less shitty undershirt sprites.
Fixes #5299
Merge pull request #5316 from Jarcolr/master

Fixes #5283 and #5315
Merge pull request #5321 from mwerezak/diona-lang

Fixes #5299
Fixes #5264
Viruses are properly transferred to spilled blood now.
Antigens prevent from infection properly.
Lowered frequency of blood puddle virus check to cut down on processing.
Merge pull request #5317 from comma/master

Couple o fixes
Makes forks usable.
Merge branch 'master' of https://github.com/Baystation12/Baystation12 into dev
Merge branch 'master' of https://github.com/Zuhayr/Baystation12 into dev
Merge pull request #5327 from Zuhayr/dev

Fixes from master, makes forks and utensils useful.