* master: (262 commits)
  pkg/services/dashboards/dashboard_service.go: simplify return
  Updated url query param encoding to exctly match angular encoding
  Updated snapshot
  Added missing props not being passed to scrollbar component, fixes #15058
  Document /api/health
  changelog: adds note for #15062
  change default rotate_token_minutes to 10 minutes
  fix
  load test/ha fixes
  set low login cookie rotate time in ha mode
  fix multiple piechart instances bug
  scripts/build/*: Fix some golint issues
  scripts/build/*: Fix golint issues Url => URL
  build: fixes building grafana completely within docker.
  dont specify domain for auth cookies
  New snapshot reflecting changes
  Makes the clickable side menu header look great in light theme again
  org id fix for load test
  user auth token load tests using k6.io
  moves cookie https setting to [security]
  ...