[setup] new version number, to avoid confusion. This will be the next minor update, including changes to README and bugfixes
[Updateable] deprecated updates
[stationary] lengthscales will be scaled by variance now
[model] update messages a little nicer
[natgrad] taking the gradient in the old direction, without adjustment
[vardtc] predict with uncertain inputs, the non principled way
[vardtc] sparse gplvm in bayesian gplvm minibatch