[appveyor] secure password
[appveyor] secure password

dhhjx880713/GPy,esiivola/GPYgradients,ysekky/GPy,dhhjx880713/GPy,SheffieldML/GPy,mikecroucher/GPy,ysekky/GPy,SheffieldML/GPy,dhhjx880713/GPy,mikecroucher/GPy,dhhjx880713/GPy,befelix/GPy,mikecroucher/GPy,mikecroucher/GPy,SheffieldML/GPy,ysekky/GPy,SheffieldML/GPy,befelix/GPy,esiivola/GPYgradients,befelix/GPy,esiivola/GPYgradients,befelix/GPy,ysekky/GPy,esiivola/GPYgradients