Dev credits + error fix + new lobby theme/removes old stuff entirely #2538

Icon difference rendering

Please file any issues here.

Icons with diff:

ADDED - mojave/icons/structure/ms_devs.dmi (0)

State Name (duplicate)	Old Icon	New Icon	Status
Original_Idea (0)			Created
Koshenko (0)			Created
TheRiddler (0)			Created
TheRealScarHomie (0)			Created
Technobug (0)			Created
Minegriss (0)			Created
Polyzonial (0)			Created
Killa (0)			Created
Hekzder (0)			Created
Gomble (0)			Created
SpookyWasTaken (0)			Created
Memager (0)			Created
Rapird (0)			Created
StarlessHorizon (0)			Created
Kekskruemelkittey (0)			Created
ThatGuyThere (0)			Created
1glitchycent (0)			Created
Hyperio (0)			Created
MrPibb (0)			Created
Dime (0)			Created
Sparrowbird611 (0)			Created
BadAtThisGame (0)			Created
Fattybunbah (0)			Created
ma44 (0)			Created
Chlorine (0)			Created
INFRARED_BARON (0)			Created
Bobjoga (0)			Created
therest (0)			Created
goofery (0)			Created
sentry_plush (0)			Created
lubeman (0)			Created
KOBAN (0)			Created
hellpig_plush (0)			Created
fridge (0)			Created
atlas_hammer (0)			Created
severance (0)			Created
mininuke (0)			Created