NMS-6901 clean up handling of alarm severities
bump version of refresher
NMS-6929 fix "loading" spinner location
NMS-6901 add a data "refresh" method accessible from the frontend
NMS-6901 rearrange initialization, refresh data sooner on startup
NMS-6901 clean up incredibly inefficient alarm/node query
NMS-6929 fix "loading" spinner location
Merge remote-tracking branch 'origin/jira/NMS-6901' into rc/stable/1.14.0
[bamboo] Automated branch merge (from rc/stable/1.14.0:5e2068f226197e3b77a30f5b950579b113683c84)