Adds drones, drone fabrication, commit options. This is the squashed version of the original 22 commit pull, so I'm summarizing.

Conflicts:
	baystation12.dme
	code/controllers/configuration.dm
	code/game/objects/items/weapons/AI_modules.dm
	code/modules/mob/living/living.dm
	code/modules/mob/living/silicon/robot/examine.dm
	code/modules/mob/living/silicon/robot/life.dm
	code/modules/mob/living/silicon/robot/robot.dm
	code/modules/mob/living/silicon/robot/robot_modules.dm
	code/modules/recycling/disposal.dm
	icons/mob/robots.dmi
	icons/obj/device.dmi

code/controllers/configuration.dm

@@ -61,9 +61,14 @@
 	var/automute_on = 0					//enables automuting/spam prevention
 	var/jobs_have_minimal_access = 0	//determines whether jobs use minimal access or expanded access.
 
+
 	var/assistantlimit = 0 //enables assistant limiting
 	var/assistantratio = 2 //how many assistants to security members
 
+	var/max_maint_drones = 5				//This many drones can spawn,
+	var/allow_drone_spawn = 1				//assuming the admin allow them to.
+	var/drone_build_time = 1200				//A drone will become available every X ticks since last drone spawn. Default is 2 minutes.
+
 	var/usealienwhitelist = 0
 	var/limitalienplayers = 0
 	var/alien_to_human_ratio = 0.5
@@ -463,6 +468,15 @@
 				if("media_base_url")
 					media_base_url = value
 
+				if("allow_drone_spawn")
+					config.allow_drone_spawn = text2num(value)
+
+				if("drone_build_time")
+					config.drone_build_time = text2num(value)
+
+				if("max_maint_drones")
+					config.max_maint_drones = text2num(value)
+
 				else
 					diary << "Unknown setting in configuration: '[name]'"