Revert "Merge branch 'master' of https://github.com/andreaspfurtscheller/cube"

This reverts commit c96f7678b6e449c34eba40c6ff02d27b5b9c50de, reversing
changes made to 351c6aa659e765af4696bcff9e76882ef3dfeca3.
Revert "Revert "Merge branch 'master' of https://github.com/andreaspfurtscheller/cube""

This reverts commit b7589d4fe575a9671900380003db5ae2cbe571e2.
Revert da3ec49..4286578

This rolls back to commit da3ec49a12373b63ed21671288073e2551cde3c4.