Digital Marketing Canvas, new translations and small improvements

We have added a new template for your pleasure: The Digital Marketing Canvas, please
try it out. Also our tutorials for the business model canvas and the lean canvas are
now available in many languages (though they might need some love, if you are a native
speaker, we would love to hear from you! Lastly you can now rename workspaces by
clicking on the name and similar small but nice improvements have been released!