Removed sensitive info from configs.

refs #16011
Merge branch 'bug/16011' into develop
Documented methods in utils.

refs #15945
Added docstrings for api routes.

refs #15945
Added docstrings for category.py.

refs #15945
Added docstrings for report.py.

refs #15945
Added missing docstrings for models.py.

refs #15945
Merge branch 'enhancement/15945' into develop
Fixed datetime issues in gather script

Removed unused import and references to that import.
Updated import_siteinfo script.

refs #16023
Merge branch 'bug/16023' into develop
Added county to School and migration for it.

Also updated gather_siteinfo to provide correct parameters when
creating a new School.

refs #15957
Updated School.serialize() to include 'county'.

refs #15957
Merge branch 'enhancement/15957' into develop
models: cleaned up User

refs #16029
models: cleaned up District

refs #16029
models: cleaned up School

refs #16029
models: cleaned up Site

refs #16029
models: cleaned up SiteDetail

refs #16029
models: cleaned up Course

refs #16029