Ports /tg/'s meteor implementation.

Merges the two meteor events into one, and now takes severity into consideration instead.
Including the basic meteors there are also new types ranging from flaming to radioactive which may drop appropriate types of ore.

code/modules/research/circuitprinter.dm

@@ -83,10 +83,6 @@ using metal and glass, it uses glass and reagents (usually sulphuric acid).
 	if(prob(50))
 		qdel(src)
 
-/obj/machinery/r_n_d/circuit_imprinter/meteorhit()
-	qdel(src)
-	return
-
 /obj/machinery/r_n_d/circuit_imprinter/proc/TotalMaterials()
 	var/t = 0
 	for(var/f in materials)

code/modules/research/destructive_analyzer.dm

@@ -31,10 +31,6 @@ Note: Must be placed within 3 tiles of the R&D Console
 		T += S.rating
 	decon_mod = T * 0.1
 
-/obj/machinery/r_n_d/destructive_analyzer/meteorhit()
-	qdel(src)
-	return
-
 /obj/machinery/r_n_d/destructive_analyzer/update_icon()
 	if(panel_open)
 		icon_state = "d_analyzer_t"

code/modules/research/server.dm

@@ -71,10 +71,6 @@
 		produce_heat()
 		delay = initial(delay)
 
-/obj/machinery/r_n_d/server/meteorhit(var/obj/O as obj)
-	griefProtection()
-	..()
-
 /obj/machinery/r_n_d/server/emp_act(severity)
 	griefProtection()
 	..()