Nemo

Bug Fix
* Fixes 32

Improvements
* Improved LDAP settings to allow users to specify port, bind credentials, dn search and more
* Improved interlock implementation interface, allowing to validate both interlock card and interlock objects
* Updated tool autocomplete results to have better spacing.
* Updated Jumbotron to not display areas when none are defined
* Added area to area access records page, and added ability to filter by area

New Features
* Users can now change the project on an upcoming reservation
* Added comments that only staff can see (and create)
* Added ProXR interlock implementation (contribution by 4Lowe at the Minnesota Nano Center)
* Added rates to customizations. Labs can now upload a json file containing rates for tools
* Added authorization failed to customizations. Labs can personalize the error message shown when login failed
* Added jumbotron watermark to customizations.
* Made tasks and comments searchable
* Added notification icon and statement when scheduled non required resource is not available
* Added tool config history tab (in tool control)
* Added max capacity for areas

Bug fixes
* Fixed an issue where staff needed to select a project when making reservations on desktop site (didn't need to in mobile). Now it doesn't ask for project either way (staff are not charged for missed reservations, so no projects needed)
* Fixed a few typos here and there

Bug Fix 24
* Fixed error when image was being resized and removed then saved again (when no changes were made on the file)

New Features
* Added Tool image, serial and description. Thanks sbonaime for the contribution!
* In Kiosk, categories and tools that a user is not qualified to use will be grayed out
* Added checkbox in Physical Access Level to grant access to staff without have to do it explicitly
* Added categories to alerts, and updated alerts to keep them after they are deleted or expired
* Only showing visible tools on resource pages

Improvements
* Updated Ldap authentication to provide better logging and not require certificate
* Updated NEMO's configuration to work without django admin installed
* Added version number to Jumbotron, Kiosk & Area Access pages
* LAB_MANAGERS will now receive an email when a task is created (not just updated)
* Added training sessions to billing API
* Updated plugin feature so that urls are automatically added when plugin name starts with 'NEMO'
* Added name to interlock cards

Bug Fix
* Fixed user history when history item had been deleted

Bug Fix
* fixed wrong migration filename

This major release is focused solely on internal improvements and library updates. no changes have been to features or user interface.

Plugin Development
* A big effort has been made to facilitate plugin development in NEMO. See the [Plugin Development](https://github.com/usnistgov/NEMO/wiki/NEMO-plugin-development) wiki page for detailed instructions and examples.

Improvements
* Updated to Django 2.2 (LTS version with extended support until April 2022), requests 2.22, django rest framework 3.11, and to latest version of all the other libraries (cryptography, django-filter, ldap, pillow and dateutil).
* Added JSON validation for post usage questions. Thanks sbonaime for the contribution!

Before Updating
The `Kiosk` and `Area Access` features of NEMO have been moved into internal plugins. If you were using them, you'll need to add them to `INSTALLED_APPS` of your `settings.py` file:
* `'NEMO.apps.kiosk',`
* `'NEMO.apps.area_access',`