Update uTimezone on user update
Update uTimezone on user update

...and optimize the way we update the cache

TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,avdevs/concrete5,TimDix/concrete5,avdevs/concrete5,MichaelMaar/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,TimDix/concrete5