Adding changelog for [skip ci]
- MAST: Removing filesize checking due to unreliable filesize reporting in
the database. [#1050]
- MAST: Added Catalogs class. [#1049]
+- MAST: Enable downloading MAST HST data from S3. [#1040]
- SPLATALOGUE: Move to https as old HTTP post requests were broken. [#1076]
- utils.TAP: Add tool to check for phase of background job. [#1073]
- utils.TAP: Added redirect handling to sync jobs. [#1099]
