extracting ZendeskClient into the gds_zendesk gem
extracting dummy zendesk impl into gds_zendesk gem
extracting ZendeskUsers into gds_zendesk gem
bumping the gds_zendesk dependency
updating to work with gds_zendesk changes
simplifying the initializer
Merge pull request #38 from alphagov/extracting_zendesk_functionality

Extracting Zendesk functionality into the gds_zendesk gem