added dwarf fortress music for the title screen and mining asteroid

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bleeding-edge-freeze
Merge pull request #2156 from caelaislinn/bleeding-edge-freeze

Procrastination, ho
missing audio

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>
Merge pull request #2159 from caelaislinn/bleeding-edge-freeze

missing audio
fixed up a bunch of miscellaneous derps that broke compiling (several unticked files, as well as one mistakenly removed file)

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bs12_with_tgport

Conflicts:
	code/game/gamemodes/gameticker.dm

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>