Squad

This 1.7 release updated examples in the documentation, making them
more secure by default. It fixes bugs when submitting test results.

Also, there are new additions to the UI: now test results in the build
page are displaying failed ones by default. The user can toggle
the visualization to the old one as wanted. A bug in the collapse/close
button was fixed as well and by default, all suites/environment boxes
are expanded on page load.

Complete list of changes going in:

* api: rest: show testrun in test
* doc: make auth-token examples more secure by default
* doc: intro: add example of submit test results with requests
* ci:
* models: backend: handle duplicated testjob as new exception
* models: refactor try-except block
* tasks: clean test job failure message after successful submission
* core:
* models: add environment to MetricThreshold
* tasks: ensure job_id to be integer or string
* models: finish builds status earlier
* frontend:
* test_results: expand all groupings by default
* build: test results: show failures only by default
* templatetags: add helper function to update GET parameters
* test_results: fix collapse/expand button
* project_settings: add environments to project settings UI
* templates: project_settings: fix basics page title
* requirements.txt: top off django version

This 1.6.1 release fixes a bug cause when SQUAD works with SQS
FIFO queues. The bug prevented newer tasks from being delivered
to workers until newer tasks were complete.

Complete list of changes going in:

* squad: celery: make tasks groups unique on SQS
* pytest.ini: include more tests that were being ignored
* pytest.ini: bump minimal code coverage
* core: tasks: fix bug on testrun status table where 'has_metrics' defaults to false for testruns that have metrics
* api: rest: enable displaying null for empty metrics and tests on testrun api view

This 1.6 release adds support to queue suffix names, which enables
fixing a bug that happens if SQUAD was configured with AWS SQS and
a lab entered in maintenance state.

It also adds the ability to switch test results layout when viewing
a build home page.

Complete list of changes going in:

* ci: backend: lava: add exception when a lava backend is offline
* frontend:
* build: add option to change test results layout
* views: order environments columns by alphabetical order
* settings:
* fix notification tasks routing
* add support to suffix-named queues

This 1.5 release fixes a bug that made SQUAD submit a single
TestJob multiple times. It also allows project admins to create
copies of projects with the `Save as` option.

Complete list of changes going in:

* ci: tasks: avoid multiple submissions
* core: admin: enable `save as` option for projects
* frontend: project_settings: add advanced settings tab
* Updated translation:
* Translated using Weblate (Norwegian Bokmål)

This 1.4 release fixes a bug when viweing all test results page and
enables more filteting options for build and testrun api endpoints.

Complete list of changes going in:

* api:
* rest: enable filtering testruns by 'completed'.
* rest: enable created date filtering on for builds in api
* frontend:
* tests: remove unecessary ordering
* tests: reduce queries to list tests
* tests: simplify count of pages
* tests: remove duplicate queries to metadata
* tests: fix bug when listing tests without metadata

This 1.3.1 release includes a minor bug in the api and support to work
with AWS SQS:

* settings:
* add support to custom polling interval
* add support to prefix-named queues
* turn on debug only when needed
* api: fix URL pattern for api/ paths
* http: authenticate users before checking permissions
* Add coverage testing with pytest