12/21 modernizations from TG live (#103)

* sync (#3)

* shuttle auto call

* Merge /vore into /master (#39)

* progress

* Compile errors fixed

No idea if it's test worthy tho as conflicts with race overhaul and
narky removal.

* Update admins.txt

* efforts continue

Fuck grab code, seriously

* grab code is cancer

* Execute the Narkism

Do not hesitate.

Show no mercy.

* holy shit grab code is awful

* have I bitched about grab code

My bitching, let me show you it

* código de agarre es una mierda

No really it is

* yeah I don't even know anymore.

* Lolnope. Fuck grab code

* I'm not even sure what to fix anymore

* Self eating is not an acceptable fate

* Taste the void, son.

* My code doesn't pass it's own sanity check.

Maybe it's a sign of things to come.

* uncommented and notes

* It Works and I Don't Know Why (#38)

* shuttle auto call

* it works and I don't know why

* Subsystem 12/21

Most Recent TG subsystem folder

* globalvars 12/21

Tossed out the flavor_misc and parallax files

* Onclick 12/21

as well as .dme updates

* _defines 12/21

ommited old _MC.dm

* _HELPERS 12/21

Preserved snowflake placement of furry sprites

* _defeines/genetics

reapplied narkism holdover for snowflake races.

* Oops forgot mutant colors

* modules porting 12/21 + Sounds/icons

Admin, Client and most of mob life files ommitted

* enviroment file

* Admin optimizations

ahelp log system kept

* Mob ports 12/21

Flavor text preserved

* datums ported 12/21

* Game ported 12/21

* batch of duplicate fixes/dogborg work

Dogborgs need to be modernized to refractored borg standards.

* moar fixes

* Maps and futher compile fixes

code/modules/holiday/holidays.dm

@@ -302,6 +302,11 @@
 	begin_day = 14
 	begin_month = DECEMBER
 
+/datum/holiday/doomsday
+	name = "Mayan Doomsday Anniversary"
+	begin_day = 21
+	begin_month = DECEMBER
+
 /datum/holiday/xmas
 	name = CHRISTMAS
 	begin_day = 23
@@ -311,6 +316,20 @@
 /datum/holiday/xmas/greet()
 	return "Have a merry Christmas!"
 
+/datum/holiday/festive_season
+	name = FESTIVE_SEASON
+	begin_day = 1
+	begin_month = DECEMBER
+	end_day = 31
+
+/datum/holiday/festive_season/celebrate()
+	for(var/obj/effect/landmark/xmastree/XT in landmarks_list)
+		new XT.tree(get_turf(XT))
+		qdel(XT)
+
+/datum/holiday/festive_season/greet()
+	return "Have a nice festive season!"
+
 /datum/holiday/boxing
 	name = "Boxing Day"
 	begin_day = 26