featureMenus - remove code to delete/add models of children, now we trust the filter and just set children CSS state to disabled
ModelNumber- implement a connection to playerRefresh and use the SetUpdateFunction interface to make the player refresh only after 1 second of idle time in the element change state
playerRefresh-add currentRefreshes hash table to add another layer of security agiainst refreshs, also add larger timeout on refresh of featureMenu and add the modelKey to the prModel
performance :clear timeouts also on timeout function run to prevent canceling  promises already fufilled
Merge remote-tracking branch 'origin/master'