bug fixed
bug fixed

ICM-RBF is used as default Kernel, but the user should be able to define a multiple output kernel outside and pass it to the model.
dhhjx880713/GPy,dhhjx880713/GPy,esiivola/GPYgradients,esiivola/GPYgradients,befelix/GPy,SheffieldML/GPy,mikecroucher/GPy,SheffieldML/GPy,ysekky/GPy,SheffieldML/GPy,avehtari/GPy,ysekky/GPy,dhhjx880713/GPy,esiivola/GPYgradients,befelix/GPy,avehtari/GPy,ysekky/GPy,ysekky/GPy,esiivola/GPYgradients,mikecroucher/GPy,dhhjx880713/GPy,SheffieldML/GPy,befelix/GPy,mikecroucher/GPy,befelix/GPy,avehtari/GPy,avehtari/GPy,mikecroucher/GPy