Interim commit: adapt to new API
Adapt transformers to new API response format
Interim commit: add basic auth for GET
Refactor bulk import for new API

Please run update script and update submodules

$ git submodule update
Adapt file upload to new API

What seems to go wrong is that the parent_pid is not properly handled
and that the hbz#hasData points to the wrong URL
Fix curl multipart/form-data request
Merge branch '0.6.0' into EDOZWO-345

Conflicts:
	edoweb/edoweb.module
Add form for access rights settings
Add config options for admin, editor and reader API users
Add edoweb_backend_reader role
Set API user and password according to current users role
Add columns for access rights, please run update script
Store access rights locally and in API
Add callback for /data URLs
Add update script to create edoweb_backend_reader role
Deny access by Drupal instead of passing on blank 401
Implement check for metadata access rights
Import accessScheme and publishScheme when loading data from API
Use resourceIndex for bulk import
Merge branch 'EDOZWO-345' into 0.6.0