When accessing the `series` property of query results, if a query is
hidden, an exception is thrown. This is caused by lack of checks to
verify that the query result exists before accessing the `series`
property.

Closes #17112

If devenv/docker-compose.yaml file is missing, `devenv-down`
and subsequently `devenv` is not going to work

* Build(makefile): improve error handling

Ref baa55ab6

I dont want emails from companies who test
alert notifiers :)

* Fix: change  and  to  and  so not clashing with grafana vars (#16365)

* Fix: change  and  to  and  so not clashing with grafana vars (#16365)

* Fix: update now to datetime (#16365)

* Fix: test should look for datetime instead of now (#16365)

* Fix: _az suffix to datasource convention (#16365)

* Fix: convert vars to macro, update doc (#16365)

* Fix: convert vars to macro, update doc (#16365)

* Fix: remove support for time vars (#16365)

* Fix: confilct from master

* add migration on editor open

* fix migration var name

If a field or a label named level is returned from datasource that is 
used as log level for the logs result instead of parsing the log level 
from the message.

Closes #17122

Adds a new [server] setting `serve_from_sub_path`. By enabling 
this setting and using a subpath in `root_url` setting, e.g.
`root_url = http://localhost:3000/grafana`, Grafana will be accessible 
on `http://localhost:3000/grafana`. By default it is set to `false` 
for compatibility reasons.

Closes #16623

With the previous configuration `docker-compose build` was always failing.
This moves the dockerfiles in the parent dir and changes paths as a result.

Ref moby/moby#2745

* Fix: Adds back necessary aria-labels for e2e tests

* Build: Adds end-to-end-tests job to build-master workflow

* Build: Changes grafana image used

closes: #17107

Fixes so that errors happening in auth proxy middleware is logged.

Ref #17247

* Removes Add/Remove methods

* Publicise necessary fields and methods so we could extend it

* Publicise mock API

* More comments and additional simplifications

* Sync with master

Still having low coverage :/ - should be addressed in #17208

Adds an additional sqlite error code 5 (SQLITE_BUSY) to the
transaction retry handler to add retries when sqlite
returns database is locked error.
More info: https://www.sqlite.org/rescode.html#busy

Ref #17247 #16638

Fixes #17289

Special notes for your reviewer:
Updates jQuery to 3.4.1 (from 3.4.0) to fix the jQuery bug: https://blog.jquery.com/2019/05/01/jquery-3-4-1-triggering-focus-events-in-ie-and-finding-root-elements-in-ios-10/

Simplifies dev environment creation. I also planing to utilize
this logic for the LDAP benchmarking

Fixes #17237

* Feature: revoke user token when disabled

* Chore: fix linter error

closes #17196

Fixes #14933