This converts the machine and mob processes to the SMC. Additionally, it
adds the Atom subsystem, which handles all Initialize() calls in place
of the old gameticker. Due to incompatibility with our atmospherics
(FUCK OUR ATMOSPHERICS FOR FUCKING EVER JESUS CHRIST WHO THE FUCK MADE
THIS PIECE OF GODDAMN SHIT) atmospherics machines do not use
Initialize() as they should, instead opting for a custom atmos_init
proc that the air controller handles.
effect/effect to effect/particle_effect
make foam an effect again
move explosion_particles.dm to effect_system folder
OOP effect code, addtimers, QDEL_IN
fixed reagent explosions never having a flash range due to a typo
