Add footsteps

Those guards are surprisingly inattentive.
Merge branch 'master' of https://github.com/Thynix/Game-Jam-F14

Conflicts:
	Overnight-at-the-Mall/Overnight-at-the-Mall-csharp.sln
	Overnight-at-the-Mall/Overnight-at-the-Mall.sln

Also hide top floor as intended.
Merge branch 'master' of https://github.com/Thynix/Game-Jam-F14