Install mercury
problems with save button, not redirecting to correct route
fixed mercury issues, now working correctly
merged with documents branch
UserManagement - added cuc steps - added UI
Merge branch 'mercury' of https://github.com/yggie/WebsiteOne into UserManagement
Merge branch 'avatar' of https://github.com/yggie/WebsiteOne into UserManagement
Avatar feature:
- added helper for constructing path to gravatar image
- added view spec
- added cuc views and steps
Avatar feature:  in progress (iteration 1)
Avatar feature:  in progress (iteration 2)
Completed rspec for view_spec
Avatar feature:  finished
- added application helper method  #gravatar_for(email)
- cuc specs and steps, view specs
UserManagement:
- added cuc specs and specs for deleting user account
- cuc step for Back button
UserManagement: added redirects to routes to handle malicious paths for user management
 - redirects to 404 for requests not handled by devise
UserManagement:
- add spec for devise helper #devise_error_messages_flash
UserManagement:
- added first and last names to User model
- updated validations for User
- updated User factory
- schema and migration
UserManagement: fixed minor spec error
Avatar feature:  finished
- added application helper method  #gravatar_for(email)
- cuc specs and steps, view specs
UserManagement: fixed devise to work with new fields of User model
 - overrode devise sanitizer in application.rb
 - created custom sanitizer in user_sanitizer.rb
 - initialised custom sanitizer in initializers/sanitizers.rb

 Followed guide: http://blog.12spokes.com/web-design-development/adding-custom-fields-to-your-devise-user-model-in-rails-4/
merged UserManagement and Avatar into one branch. Fixed mergng conflicts
got view spec for devise/registrations/edit to pass after fixing conflicts