[#369] updating packages to deleted state had permission issues

This causes the v1/2 REST package update API to fail with access denied
because after successfully updating the package, the user no longer has
permission to read it to generate the dict-like response.

Just allow us to read the updated packeage
[#515] Fix issue with orgs appearing in group facet
[#595] Allow sorted_extras to exclude fields on request
[#613] Bulk process add new sort and update simple search template
Merge branch 'master' into 515-org-group-search-issue
[#515] Add a check to stop errors
[#613] Small tweaks to templates to make search in tertiary column a little nicer
[#613]  is better than
Merge branch 'master' into 613-bulk-update-sorting

Conflicts:
	ckan/templates/organization/bulk_process.html

    - facet fixes
[#627] Allow to create private datasets

The private field was not present on the default package schema, used by
default_create_package_schema, so if you defined private in your package
dict it was ignored. This commit adds it to the default package schema
(ignoring it if not present).
[#3012] Some controller fixes
[#627] Fix test broken due to default schema change
Revert "[#3012] Some controller fixes"

This reverts commit c9825cec1b617c9af40a3bede7ef9810f43cf1ec.

wrong branch
PEP8
Merge pull request #627 from okfn/627-create-private-datasets

You can not create a dataset private by default
Merge pull request #613 from okfn/613-bulk-update-sorting

Bulk processing - add sort lastmodified
[#613] Rebuilt main.css
[#630] Members table now has header and behaves like the other tables within admin
[#630] Moves 'Add member' button into the correct position
[#630] Adds 'Add Dataset' button into bulk_process page