* VRFS-2881 use backend audio source info in metronome
* VRFS-2832 add metronome play controls with mode control
* VRFS-2873 straighten out metronome names in frontend
* VRFS-2782 use getMyNetworkState for ntp_stable determination
* VRFS-2864 allow 'cluster' test, a new metronome mode
* VRFS-2861 metronome sounds not always matching frontend
* VRFS-2852 relax idea that only one person can open metronome
* VRFS-2865 metronome sounds not always matching frontend(dup)
* VRFS-2847 metronome volume now moves master and personal both
* VRFS-2835 metronome 'prevent' message is now dialog, not notify
* VRFS-2833 anyone can control volume/mute of metronome
* VRFS-2850 don't prevent metronome if solo session
* Naming issues
* Restore method that was caught by friendly fire in a cleanup session
* Add a few new specs to properly exercise controller methods to catch
errors sooner, i.e., not in feature specs.
* Restore deleted route