post handler for update_bundle_metadata
Merge branch 'refs/heads/upstream/feature/worksheet_interface' into feature/561-edit-bundle-metadata
Merge branch 'refs/heads/upstream/feature/worksheet_interface' into feature/561-edit-bundle-metadata
Can able to save metadata also permissions #561
Merge pull request #670 from codalab/feature/561-edit-bundle-metadata

Feature/561 edit bundle metadata
Merge branch 'refs/heads/upstream/feature/worksheet_interface' into feature/folder-contents

Conflicts:
	codalab/apps/api/views.py
	codalab/apps/web/static/js/bundle/bundle_interface.js