Updates security wing with an entirely new layout. Ports Aurora station's two-handed rifle code.

If you attempt to fire a rifle without first bracing it against you (wield it like a fire axe) you will have quadruple the fire delay compared to a stabilized rifle. Rifles can also no longer fit in backpacks.
Fixes wall recharger issue.
Merge branch 'master' of https://github.com/Hoknar/Exogenesis into mapchange

Conflicts:
	maps/tgstation2.dmm
Merge pull request #32 from SueTheCake/mapchange

Updates brig layout and adds two-handed rifles.