adjust simulator for TinkerGnome
Merge branch 'master' of https://github.com/Ultimaker/Ultimaker2Marlin
Merge branch 'master' of https://github.com/TinkerGnome/Ultimaker2Marlin
Revert "use exponential moving average for a "smooth" display of temperatures (see:  http://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average)"

This reverts commit bd6c07c48d6a58cfb2feff2678b2bd8af3b05bc6.