Revert "Merge branch 'master' of https://github.com/teodorostlund/SpaceInvaders"

This reverts commit 4fb53333c3c078f00255f8fa014691e82cd15712, reversing
changes made to 5c8e0652cd1e7cfe3a7cdd6ea03d68de552f93e2.
Revert "asdas"

This reverts commit 5c8e0652cd1e7cfe3a7cdd6ea03d68de552f93e2.
Revert 4cb555c..1aa2b09

This rolls back to commit 4cb555c7915e1b394e7334c16cb9860c1d566e5e.