Karaage

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Changed
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* Don't email project leaders with email turned off, but allow them to approve
projects.
* Update celery from 4.1.1 to 4.2.0.

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Changed
~~~~~~~
* Remove amqp library requirement.
* Fixup slurm directory in documentation.
* Ensure /var/log/shibboleth has correct permissions.

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Changed
~~~~~~~
* Update gunicorn from 19.7.1 to 19.8.0
* Remove legacy dockerhub hooks
* Added invite_csv_users.py for cli bulk inviting (431)
* Completely revise application process
* Allow institute delegates with emails turned off to approve applications
* Auto build beta docker image
* Update kombu from 4.1.0 to 4.2.0
* Update for latest slurm images
* Move dynamic files from /var/cache/karaage3/files to /var/lib/karaage3/files
* Update docker start instructions

Removed
~~~~~~~
* Dropped support for slurm 16.02

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Fixed
~~~~~
* Fixed setup.py error.

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Changed
~~~~~~~
* Add ability to change default slurm add account command.

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Fixed
~~~~~
* Moved institute help text out of migration so it doesn't trigger a new
migration when the email address changes.

Changed
~~~~~~~
* Fix out-by-one error in changelog versions.
* Improvements to static checks.
* Fix deprecation warnings.
* Update matplotlib from 2.1.2 to 2.2.0.
* Update Django.
* Various updates to documentation.
* More work with tests.
* Update django-tables2 from 1.19.0 to 1.21.2.
* Update ldap3 from 2.4.1 to 2.5.