Replaces /image with /mutable_appearance (#556)

* Replaces /image with /mutable_appearance, where appropriate

* Update miscellaneous.dm

* Delete miscellaneous.dm.rej

* Delete pet.dm.rej

* Update pet.dm

* Update species.dm

* Update miscellaneous.dm

* Update species.dm

* Update miscellaneous.dm

* Delete species.dm.rej

* Update species.dm

pretty sure I got all the indentation correct THIS time, ffs

* Update species.dm

* Update species.dm

fucking tabs man, fucking tabs.

code/game/machinery/computer/message.dm

@@ -419,7 +419,7 @@
 									to_chat(H, "\icon[customrecepient] <b>Message from [customsender] ([customjob]), </b>\"[custommessage]\" (<a href='byond://?src=\ref[src];choice=Message;skiprefresh=1;target=\ref[src]'>Reply</a>)")
 								log_pda("[usr]/([usr.ckey]) (PDA: [customsender]) sent \"[custommessage]\" to [customrecepient.owner]")
 								customrecepient.cut_overlays()
-								customrecepient.add_overlay(image('icons/obj/pda.dmi', "pda-r"))
+								customrecepient.add_overlay(mutable_appearance('icons/obj/pda.dmi', "pda-r"))
 						//Sender is faking as someone who exists
 						else
 							src.linkedServer.send_pda_message("[customrecepient.owner]", "[PDARec.owner]","[custommessage]")
@@ -432,7 +432,7 @@
 									to_chat(H, "\icon[customrecepient] <b>Message from [PDARec.owner] ([customjob]), </b>\"[custommessage]\" (<a href='byond://?src=\ref[customrecepient];choice=Message;skiprefresh=1;target=\ref[PDARec]'>Reply</a>)")
 								log_pda("[usr]/([usr.ckey]) (PDA: [PDARec.owner]) sent \"[custommessage]\" to [customrecepient.owner]")
 								customrecepient.cut_overlays()
-								customrecepient.add_overlay(image('icons/obj/pda.dmi', "pda-r"))
+								customrecepient.add_overlay(mutable_appearance('icons/obj/pda.dmi', "pda-r"))
 						//Finally..
 						ResetMessage()