* grafana/master:
  Update README.md
  Update core:start cli command to watch theme changes again (#15856)
  Updated pull request template
  Updated pull request rtemplate
  Removed title case from issue template title
  Updated issue template titles
  Updated issue templates
  Updated templates
  fix: Update error message and replace npm with yarn #15851
  fix: Make sure we dont add &autofitpanels to the url if it already exists #15849
  Update upgrading.md for wrong spell
  return the same panelData unless it changes
  Map dataSourceTypeSearchQuery state from redux to search input.
  Revert "Fix for leaving playlist mode"
  add new issue templates

Don't add autofitpanels to the url if it already exists

Update error message and replace npm with yarn

New issue templates

Revert "Fix for leaving playlist mode"

Fix new datasource search input

return the same panelData unless it changes

Update upgrading.md for wrong spell

* grafana/master:
  Minor refactoring of PR #15770
  Alternative fix to detecting when to stop a playlist, fixes #15701 and #15702
  fix discord notifier so it doesn't crash when there are no image generated
  Add a keybinding that toggles all legends in a dashboard
  removed color in color variables names
  changed some more color variables to use variables

Changed some more color variables to use variables

Alternative fix to detecting when to stop a playlist

Merge branch 'toggle-all-legends' of https://github.com/jsferrei/grafana into jsferrei-toggle-all-legends

fix discord notifier so it doesn't crash when there are no image generated

* grafana/master: (24 commits)
  fix: Consistency in unit labels #15709
  Update latest.json
  Update CHANGELOG.md
  position from add panel, dimensions from copied panel
  changelog: add notes about closing #14509 #15179
  fix: Add class for input fields with help icon to avoid icon hiding the text #15771
  Update CHANGELOG.md
  restore to current folder when restoring old dashboard version
  fix(renderer): Vendor ansicolor as typescript
  log phantomjs output even if it timeout and include orgId when render alert
  keep size from copied panel and not from add panel widget
  Added basic cherry pick helping task
  Prevent search in VizPicker from stealing focus (#15802)
  fix only users that can edit a dashboard should be able to update panel json
  Updated changelog task
  Fixed image rendering issue for dashboards with auto refresh, casued by missing reloadOnSearch flag on route, fixes #15631
  Updated to add PR author, skip PR issue references
  Added first iteration/poc of changelog task
  Enable @grafana/ui version bump based on package.json contents
  Ensure clean master only when publishing package to npm
  ...