BUGFIX: improve error messages for invalid API keys

BUGFIX: don't track last seen for message bus

spec/components/current_user_spec.rb

@@ -5,10 +5,9 @@ describe CurrentUser do
   it "allows us to lookup a user from our environment" do
     user = Fabricate(:user, auth_token: EmailToken.generate_token, active: true)
     EmailToken.confirm(user.auth_token)
-    CurrentUser.lookup_from_env("HTTP_COOKIE" => "_t=#{user.auth_token};").should == user
+
+    env = Rack::MockRequest.env_for("/test", "HTTP_COOKIE" => "_t=#{user.auth_token};")
+    CurrentUser.lookup_from_env(env).should == user
   end
 
-  # it "allows us to lookup a user from our app" do
-  # end
-
 end