windoor deconstruction plus many fixes. See description.
More windoor bug fixes. You can no longer build two windoors on top of each other. You can make  a windoor_assembly w/ rglass on the same tile as another one as long as they have different directions.
Fixes resin walls icon on map maker + abandoned mining station
Correcting a naming problem.
ArmourValueIncrease
adds telescopic riot shields
Removing many instances of the no longer used second argument of message_admins() proc.
Replacing "for(var/mob/M in viewers()) M.show_message()" by "visible_message()" or audible_message()" in many places.
Changing a few span classes.
changelog
bookcases no longer opaque

considering they are mostly empty they shouldn't be totally opaque, it's awkward in game
Merge branch 'master' of https://github.com/tgstation/-tg-station into WYATTSHIELDS

Conflicts:
	icons/mob/back.dmi
Merge branch 'master' of https://github.com/tgstation/-tg-station into Msg1Fix

Conflicts:
	code/modules/admin/admin_verbs.dm
readds large crossbro to protolathe
sprite
copy pasting is a bad idea
Fixes restarted borgs hearing cult chat
lol
telebaton storage
BuffExplsoive&Bio
stupid compile errors
pro-LGBT grammar