[MAP] Several major remaps, and additions #3 (#3465)

- Remap: Atmopsherics.
- Remap: Captain's Office.
- Remap: Head of Staff Conference Room.
- Remap: Chief Medical Officer's Office.
- Remap: Medical Briefing Room.
- Remap: Security Processing and Holding Cell.
- Modification: Robotics Laboratory.
- Addition: Desk Ringers in several locations.
- Fix: #3391, #3374, #3345, #3341, #3308, #3306, #3277, #3244, #3173,
#3094.
- Several other minor changes.
- A new subtype of folder has been sprited for the Security folders.
- More colours of flooring decals were added.
- New colours for pipes were added (Lohikar).

code/modules/multiz/pipes.dm

@@ -2,6 +2,7 @@
 // parent class for pipes //
 ////////////////////////////
 /obj/machinery/atmospherics/pipe/zpipe
+	icon = 'icons/atmos/pipes.dmi'
 	icon_state = "up"
 	var/ptype	// What direction of pipe this is. Used for icons.
 
@@ -61,7 +62,7 @@
 		invisibility = i ? 101 : 0
 	update_icon()
 
-/obj/machinery/atmospherics/pipe/up/machinery_process()
+/obj/machinery/atmospherics/pipe/zpipe/machinery_process()
 	if(!parent) //This should cut back on the overhead calling build_network thousands of times per cycle
 		..()
 	else
@@ -276,3 +277,13 @@
 	color = PIPE_COLOR_RED
 /obj/machinery/atmospherics/pipe/zpipe/down/red
 	color = PIPE_COLOR_RED
+
+/obj/machinery/atmospherics/pipe/zpipe/up/yellow
+	color = PIPE_COLOR_YELLOW
+/obj/machinery/atmospherics/pipe/zpipe/down/yellow
+	color = PIPE_COLOR_YELLOW
+
+/obj/machinery/atmospherics/pipe/zpipe/up/blue
+	color = PIPE_COLOR_BLUE
+/obj/machinery/atmospherics/pipe/zpipe/down/blue
+	color = PIPE_COLOR_BLUE