Proc for generating map renders (#10302)

* Proc for generating map renders

I mean what else is there to say, it doesn't make it into one large icon unfortunately but someone could do that. Or you could use the goon method to display.

* This is useful as well

* Modifications

1. Changed getflaticon to show more directional sprites
2. Changed getflaticon to properly order the rednering of underlays -> sprite -> overlays
3. Changed maprender to use a transparent icon instead of a full alpha white one
4. Changed maprender proc to use a better sorting method stolen from getflaticon
5. Changed maprender to eliminate spaces in the outputted folder paths
6. Changed maprender to properly name the maprenders so they are ordered correctly

* Small fix

* Update map link

* Fix some more directional objects, fix multitile objects

code/modules/admin/admin_verbs.dm

@@ -360,7 +360,8 @@ var/list/admin_verbs_mod = list(
 		/client/proc/cmd_admin_areatest,
 		/client/proc/readmin,
 		/client/proc/nanomapgen_DumpImage,
-		/client/proc/nanomapgen_DumpImageAll
+		/client/proc/nanomapgen_DumpImageAll,
+		/client/proc/maprender
 		)
 
 /client/proc/hide_most_verbs()//Allows you to keep some functionality while hiding some verbs

code/modules/admin/verbs/mapping.dm

@@ -167,6 +167,7 @@ var/intercom_range_display_status = 0
 	src.verbs += /client/proc/check_sim_unsim
 	src.verbs += /client/proc/nanomapgen_DumpImage
 	src.verbs += /client/proc/nanomapgen_DumpImageAll
+	src.verbs += /client/proc/maprender
 	//src.verbs += /client/proc/cmd_admin_rejuvenate
 
 	feedback_add_details("admin_verb","mDV") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!