Add a Rake task for republishing content to the Publishing API
Add a Rake task for republishing content to the Publishing API

Sometimes it's necessary to republish content to the Publishing
API if it didn't succeed last time. At the moment the only way
to do this is via the console so this task makes it easier for
devs to complete the task.

alphagov/whitehall,alphagov/whitehall,alphagov/whitehall,alphagov/whitehall