Implement VU meter frequency preference
* Merged promised_based_api_interation into 5628-vu-meter_frequency
* Merge branch '5628-vu-meter_frequency' of bitbucket.org:jamkazam/jam-cloud into 5628-vu-meter_frequency
* force push
* wip
* wip VU meter update pref rendering
* fix for vu meter update
this fixes the previously broken vu meter update based on the user
selected update rate preference.
* Merge branch '5628-vu-meter_frequency' of bitbucket.org:jamkazam/jam-cloud into 5628-vu-meter_frequency
Approved-by: Seth Call