Merge pull request #922 from sanger/next_release

Release 5.27.00
Remove acts as audited gem again

A series of merges with older branches caused this gem
to get merged back in. Its reintroduction to the codebase
corresponds to a drop in performance of the sample management
api.
Merge pull request #925 from JamesGlover/reremove_acts_as_audited

Reremove acts as audited