Add a resolve issue button to chats, which closes the chat -- it will no longer be on the support page in any list
Merge branch 'master' into resolve_chat_button
fixed failing test problem
Merge branch 'master' into widget_redirect. Added require_customer method in chats_controller to clean the show and update actions. Updated tests to reflect this change.

Conflicts

app/controllers/admin/chats_controller.rb