- when query result was found, stop scanning
- this hides the scan status again

Remove Explore > "New tab" from sidebar

Add Google Hangouts Chat notifier.

* master: (322 commits)
  graphInterval needs to update after query execution, fixes #14364
  Explore: Parse initial dates
  Aligned styling of stats popover/box with rest of grafana & minor css refactoring
  Prometheus: Make result transformer more robust for empty responses
  Rebase fixes
  Explore: Logging line parsing and field stats
  fixed unit tests
  made unknown color theme aware and sync with graph color, some minor cleanup
  Explore: improve error handling
  use render props instead of cloneElement
  sort of a hacky way to figure if the small variation should be used for the label
  add basic button group component, using the the same label style as is
  explore logs styling
  wip: alternative level styling & hover effect
  wip: explore logs styling
  more detailed error message for loki
  If user login equals user email, only show the email once #14341
  UserPicker and TeamPicker should use min-width instead of fixed widths to avoid overflowing form buttons.  #14341
  wip: explore logs styling
  restoring monospace & making sure width are correct when hiding columns
  ...

Explore: Parse initial dates

Explore: Logging line parsing and field stats

Explore: graphInterval needs to update after query execution 

- parse dates passed from URL
- keep everything local time for now

Prometheus: Make result transformer more robust for empty responses

- we don't support tabs yet, might as well remove the entry

- some prometheus-compatible backends may return `null` instead of empty lists
- test for lists before iterating
- added tests for empty responses

Fix quota updating

Lazily parse lines and display stats for field when clicked on.

- log line parsers for JSON (basic), and logfmt
- delayed parsing in case user moves to other line
- reuse label stats for field stats

Pickers with min-width instead of width

Explore logs styling

Multi button group

Explore: improve error handling

Improve PostgreSQL Query Editor if using different Schemas

more detailed error message for loki

improve light theme look

use new toggle button group in logs

stop propagation on click event

clean up styles

improve support for small when a label is present

refactoring - move toggle button to the group file. turn it into a stateless component

improve support for light theme

rename dedupe to dedup

use radius variable

remove not used code

cleanup

Explore logs css refactor

if grafana tries to access loki without promtail running
it will return an error.