[#2] Update README link
[#4] Fixes on the auth layer against the new core auth

Thanks @locusf for the original patch
Merge branch 'master' into 4-new-auth-for-2.0
Merge branch 'release-v2.0' into 4-new-auth-for-2.0

Conflicts:
	ckanext/harvest/logic/action/get.py
	ckanext/harvest/tests/test_queue.py
make sure gather phase finishes job if there is a severe error
Merge branch 'release-v2.0' into 4-new-auth-for-2.0
fix wrong authorization logic
Merge branch '2.0-dataset-sources' into 4-new-auth-for-2.0

Conflicts:
	ckanext/harvest/logic/action/get.py
[#4] Refactor authorization functions

The authorization functions have been refactored to take into account
both the new organizaton based authorization on CKAN core and the
harvest source datasets.

Basically at the source level, authorization checks are forwarded to the
relevant package auth function (package_create, package_update, etc.)
wich will check for organizations membership, sysadmin, etc.

Also we only use functions available on the plugins toolkit whenever
possible.
[#4] Minor change on the state field to fix a bug on harvest_source_show
[#4] Remove the loading of different authorization profiles

The different profiles will be now configured via the harvest source
datasets on CKAN core, so it is no longer needed.

Also simplify IActions and IAuthFunction hook calls.
[#4] Remove authorization functions for the publisher profile

The different profiles will be now configured via the harvest source
datasets on CKAN core, so they are no longer needed.
capture errors more cleanly
[#4] Add owner_org field to schema and form

This should store the owner organization id.

Also added the errors box on the form.
[#4] Fix logic functions importer
[#4] Fix typo in auth functions
[#4] Add db_to_form_schema_options to harvest plugin to avoid validation on show
Improve harvest source status creation

Use report_status field to improve speed, remove unnecessary fields.
Merge branch '4-new-auth-for-2.0' into 2.0-dataset-sources
Add command for reindex all harvest sources