Merge pull request #12 from soeb/master

Added more games missing from the CDR that have Linux versions + dos
Penumbra Requiem works now.
DEFCON now installs
Multiwinia now installs and works
The Journey Down: Chapter One now downloads and launches
Added Multiwinia and DEFCON again, as not everyone can use this yet
Merge pull request #14 from swordfischer/master

Journey Down: Chapter One installs and works.
Moved some stuff around according to the CDR (no package, invalid config)