formatter: output format/elements loading fix

* Fixes loading order output formats and format elements to respect
  loading order of packages.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
communities: broken url fix

* Fixes a broken URL in the community edit page.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
testsuite: datacite tester fix

* Fixes test case for DataCite API interface.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
login: fix permission issue for guest user

* Fixes a permission issue where a guest user did not have a list of
  permitted restricted collections calculated, causing issue with
  e.g. facets when viewing restricted collections (e.g. restricted to
  role anyuser).
installation: remove library (ZENODO only)

* Removes PyLD due to Python 2.6 requirement.
communities: hide search (ZENODO only)
communities: curation button fixes

* Fixes display of error message reporting.

* Fixes icons in accept/reject buttons.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>