v2.1.1

• Refresh role counts task now identifies roles where the combination of github_user/github_repo no longer exists in GitHub and removes the role.
• Refresh role counts task now recognizes when a role's github_user/github_repo has changed in GitHub and updates the role.
• The refresh roles task that runs when the user logs in or clicks the refresh button now recognizes when a role's github_user/github_repo has changed in GitHub and updates the role.
• The delete process in the UI now traps a failed Delete request, and notifies the user to click the refresh button to update the list of roles.
• The My Roles page no longer displays both an enabled and disabled refresh button simultaneously when the refresh task completes.