Fixes #33. Use session token for googleauth login to protect from CSRF
Merge pull request #40 from midasplatform/googleauth-csrf

Fixes #33. Use session token for googleauth login to protect from CSRF
Allow zero length links
Merge pull request #41 from jamiesnape/AllowZeroLengthLinks

Allow zero length links
Allow solr module to index and search metadata fields that contain spaces

The metadata extractor writes field names that contain spaces, but solr does
not allow this and incorrectly indexes these fields.
Merge pull request #43 from midasplatform/jamie-solr-metadata-spaces

Allow solr module to index and search metadata fields that contain space...