Merge pull request #1 from vinodc/master

Adding discovery_url setting.
Feature/Bugfix: enabling file uploads and multipart/form-data, and
input/output serializers
Bugfix: adding back in default behavior, and moving serializer to
request/response serializers for better customization without breaking
DRF
Bugfix: adding application/octet-stream
Bugfix: adding base64 encoding content type transfer header so that we
can send files over in base64 for all file types
Bugfix: escaping html to handle XSS attacks