added optional number of contour levels to the 2D plotting in GP.plot
added optional number of contour levels to the 2D plotting in GP.plot

befelix/GPy,TianpeiLuke/GPy,Dapid/GPy,befelix/GPy,buntyke/GPy,ptonner/GPy,ysekky/GPy,mikecroucher/GPy,gusmaogabriels/GPy,gusmaogabriels/GPy,gusmaogabriels/GPy,beckdaniel/GPy,beckdaniel/GPy,befelix/GPy,befelix/GPy,PredictiveScienceLab/GPy,beckdaniel/GPy,jameshensman/GPy,fivejjs/GPy,maaskola/GPy,buntyke/GPy,mikecroucher/GPy,mikecroucher/GPy,SheffieldML/GPy,buntyke/GPy,jameshensman/GPy,SheffieldML/GPy,avehtari/GPy,mikecroucher/GPy,PredictiveScienceLab/GPy,ysekky/GPy,jameshensman/GPy,ysekky/GPy,PredictiveScienceLab/GPy,fivejjs/GPy,AlexGrig/GPy,dhhjx880713/GPy,buntyke/GPy,strongh/GPy,maaskola/GPy,dhhjx880713/GPy,ptonner/GPy,Dapid/GPy,Dapid/GPy,AlexGrig/GPy,fivejjs/GPy,strongh/GPy,AlexGrig/GPy,TianpeiLuke/GPy,avehtari/GPy,strongh/GPy,dhhjx880713/GPy,avehtari/GPy,SheffieldML/GPy,dhhjx880713/GPy,jameshensman/GPy,beckdaniel/GPy,AlexGrig/GPy,esiivola/GPYgradients,TianpeiLuke/GPy,esiivola/GPYgradients,Dapid/GPy,ptonner/GPy,maaskola/GPy,esiivola/GPYgradients,avehtari/GPy,esiivola/GPYgradients,ptonner/GPy,maaskola/GPy,PredictiveScienceLab/GPy,SheffieldML/GPy,ysekky/GPy