Pacifica-ingest

Changed
- Pull 94 Remove Requirements pip>=20 by [dmlb2000](https://github.com/dmlb2000)

Changed
- Pull 94 Pylint 2.0+ Support by [dmlb2000](https://github.com/dmlb2000)
- Pull 93 Remove Python 2.7 Support by [dmlb2000](https://github.com/dmlb2000)
- Pull 92 Travis uses Ansible now by [dmlb2000](https://github.com/dmlb2000)
- Pull 91 Minor Packaging Fixes by [dmlb2000](https://github.com/dmlb2000)

Added
- Fix 59 Admin Retry Command by [dmlb2000](https://github.com/dmlb2000)
- Fix 16 Remote User style validation by [dmlb2000](https://github.com/dmlb2000)
- Pull 95 Add Python 3.7 and 3.8 Testing by [dmlb2000](https://github.com/dmlb2000)

Changed
- Fix 85 Add Nice Status URL by [dmlb2000](https://github.com/dmlb2000)

Added
- Ingest services to consume data bundles
- Backend services to send files to archiveinterface
- Backend services to send metadata to metadata service
- Validation of data before it hits archiveinterface
- Status tracking endpoint for state of ingest task
- ReadtheDocs supported Sphinx docs

Changed