Added tests and tarted up the README. Still things to do.
Added logging for easier error checking
Clified login message for NHSE users
Munge email address to get CKAN valid username.
Added some helpful logging for ADFS
Correct finding of existing ADFS users.
Updated configuration methods and added x509 certificate check.
Minor README edit and added mock to the requirements so the dev environment works for testing.
Made sure ADFS users may not edit username and email fields
More tidy ups
Fixes
Merge branch 'master' of github.com:nhsengland/ckanext-adfs