Winoverlay fading in information cards

Streamlined overlay buttons

Use iterator based loops

remove unused var doorobstacle

Rename performance fix branch #1

Improve phone ringing behaviour

Walking past it with upgrade = stop ring
Having the upgrade for it = less ringing volume

Merge pull request #7 from TijmenUU/singleton-resource

Singleton resource

Updated readme #1

Linux branch description

Merge remote-tracking branch 'refs/remotes/origin/shop'

Massive Refactor - Missing files

Forgot to include these in the previous commit.