Enable ingest of a Bagit zipfile (#98)

* Initial version of Clowder XML

* createFromBag

* Clean up

* load dataset info from zip

* Support dataset metadata from zip

* file and folder support

* Support file and folder uploads

* Disable clowder.xml recognition

* Fix ingest if bags missing file _infos

* fix handling of temp files

* Removed files that were accidentally committed.

* Updated CHANGELOG.md.

Co-authored-by: Luigi Marini <[email protected]>
Co-authored-by: Luigi Marini <[email protected]>

Author: max-zilla

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 - Log an event each time that a user archives or unarchives a file.
+- Endpoint `/api/datasets/createfrombag` to ingest datasets in BagIt format. Includes basic dataset metadata, files,
+  folders and technical metadata. Downloading datasets now includes extra Datacite and Clowder metadata.
 
 ## 1.16.0 - 2021-03-31