* I needed to learn some rxjs and understand this more, so just playing around

* Updated

* Removed all the complete calls

* Refactoring

* StreamHandler -> observable start

* progress

* simple singal works

* Handle update time range

* added error handling

* wrap old function

* minor changes

* handle data format in the subscribe function

* Use replay subject to return last value to subscribers

* Set loading state after no response in 50ms

* added missing file

* updated comment

* Added cancelation of network requests

* runRequest: Added unit test scenario framework

* Progress on tests

* minor refactor of unit tests

* updated test

* removed some old code

* Shared queries work again, and also became so much simplier

* unified query and observe methods

* implict any fix

* Fixed closed subject issue

* removed comment

* Use last returned data for loading state

* WIP: Explore to runRequest makover step1

* Minor progress

* Minor progress on explore and runRequest

* minor progress

* Things are starting to work in explore

* Updated prometheus to use new observable query response, greatly simplified code

* Revert refId change

* Found better solution for key/refId/requestId problem

* use observable with loki

* tests compile

* fix loki query prep

* Explore: correct first response handling

* Refactorings

* Refactoring

* Explore: Fixes LoadingState and GraphResults between runs (#18986)

* Refactor: Adds state to DataQueryResponse

* Fix: Fixes so we do not empty results before new data arrives
Fixes: #17409

* Transformations work

* observable test data

* remove single() from loki promise

* Fixed comment

* Explore: Fixes failing Loki and Prometheus unit tests (#18995)

* Tests: Makes datasource tests work again

* Fix: Fixes loki datasource so highligthing works

* Chore: Runs Prettier

* Fixed query runner tests

* Delay loading state indication to 200ms

* Fixed test

* fixed unit tests

* Clear cached calcs

* Fixed bug getProcesedDataFrames

* Fix the correct test is a better idea

* Fix: Fixes so queries in Explore are only run if Graph/Table is shown (#19000)

* Fix: Fixes so queries in Explore are only run if Graph/Table is shown
Fixes: #18618

* Refactor: Removes unnecessary condition

* PanelData: provide legacy data only when needed  (#19018)

* no legacy

* invert logic... now compiles

* merge getQueryResponseData and getDataRaw

* update comment about query editor

* use single getData() function

* only send legacy when it is used in explore

* pre process rather than post process

* pre process rather than post process

* Minor refactoring

* Add missing tags to test datasource response

* MixedDatasource: Adds query observable pattern to MixedDatasource (#19037)

* start mixed datasource

* Refactor: Refactors into observable parttern

* Tests: Fixes tests

* Tests: Removes console.log

* Refactor: Adds unique requestId

- upgraded rc-cascader (did not fix the alignment issue)
- Safari seems to default to middle alignment, added override to explore
styles
- added empty expand icon property to satisfy API after upgrade

* API: Add `updatedAt` to api/users/:id

This adds the timestamp of when a particular user was last updated to
the `api/users/:id` endpoint.

This helps our administrators understand when was the user information last
updated. Particularly when it comes from external systems e.g. LDAP

* Adding DashboardPicker component

* fix prop names

* fix prop names pt2

* add component and modify utils

* add showHour prop

* add minuteStep to TimeOfDayPicker, add value to DashboardPicker

* fix for dashboard picker, missed adding file

* Adding story

* add another story for hiding hour and style fixes

* fix these generated files

* fixes after review

* rename current value

* fix type issue on onChange

* fix story

* update maxDataPoints UI

* use maxDataPoints to calculate interval

* don't change interval calculation

this way importing the tsdb package does not come with xorm dependencies

* Adding T and P for bytes

Luckily, all the hard work was done before; just added in these prefixes for our production environment.

* Future-proofing with other values (why not?)

* Yottaflops?

* Cutting back down to Peta sizes, except for hashes

* Add deprecation warning

* Update pkg/services/rendering/rendering.go

Co-Authored-By: Marcus Efraimsson <marcus.efraimsson@gmail.com>

* merge master

* export prometheus tags

Bumps [lodash-es](https://github.com/lodash/lodash) from 4.17.11 to 4.17.15.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.15)

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [fstream](https://github.com/npm/fstream) from 1.0.11 to 1.0.12.
- [Release notes](https://github.com/npm/fstream/releases)
- [Commits](https://github.com/npm/fstream/compare/v1.0.11...v1.0.12)

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [mixin-deep](https://github.com/jonschlinkert/mixin-deep) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/jonschlinkert/mixin-deep/releases)
- [Commits](https://github.com/jonschlinkert/mixin-deep/compare/1.3.1...1.3.2)

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [lodash.template](https://github.com/lodash/lodash) from 4.4.0 to 4.5.0.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.4.0...4.5.0)

Signed-off-by: dependabot[bot] <support@github.com>

* update gopkg.in/macaron.v1

* update github.com/go-macaron/binding

* update github.com/go-macaron/session

* Substitute github.com/Unknwon/com with github.com/unknwon/com

* Clean up modules using `go mod tidy`

* Substitute github.com/Unknwon/bra with github.com/unknwon/bra

* merge master

* move mixed datasource

* all responses in test

* fix tests/mocks

* remove ?

Bumps [lodash.mergewith](https://github.com/lodash/lodash) from 4.6.1 to 4.6.2.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Up until now one had to manually specify module name mapper for stylesheet files in order for Jest not to fail when running tests that import stylesheet files.

This adds default mock for stylesheet file and some tests

* Improve grafana toolkit related readmes

* Post review updates

* Update packages/grafana-toolkit/README.md

* Update packages/grafana-toolkit/README.md