Add support for ingesting thumbnails to an OCS Archive

Upgrade ocs_archive version to support alternate s3 addressing_style

Upgrade ocs_archive version to loosen requests version requirements

Update ocs_archive to set defaults on non nullable header fields

Update ocs_archive version to fix a bug in wcs_corner calculation

Fix import issue in ingest_frame script

Update ocs_archive version to fix filename bug

Refactored to use ocs_archive library

Merge pull request #44 from observatorycontrolsystem/update-pypi-version

Update version in setup.py

Add ability to upload files of arbitrary type to an OCS Science Archive