Some huddle cleanups.

(imported from commit 244bfde4da2a4faeb150182f232937f0cb3a9a85)

zephyr/static/js/zephyr.js

@@ -226,7 +226,18 @@ function do_narrow(target_zephyr, description, filter_function) {
     $("#narrow_indicator").html(description);
 }
 
+function narrow_huddle(target_zephyr) {
+    // This probably should be specific to a particular group chat, not all of them
+    var message = "Showing group chats";
+    do_narrow(target_zephyr, message,
+              function(element) {
+                  return (element.find("span.zephyr_huddle_recipient").length > 0);
+              }
+             );
+}
+
 function narrow_personals(target_zephyr) {
+    // This probably should be specific to a particular person, not all of them
     var message = "Showing personals";
     do_narrow(target_zephyr, message,
               function(element) {

zephyr/static/styles/zephyr.css

@@ -52,6 +52,10 @@ form.zephyr textarea {
   background-color: #3a87ad;
 }
 
+.zephyr_huddle_recipient {
+  background-color: #3a87ad;
+}
+
 .zephyr_sender {
   background-color: #3a87ad;
 }

zephyr/static/templates/zephyr.html

@@ -4,7 +4,7 @@
     {{#is_huddle}}
         {{#display_recipient}}
         <span class="label zephyr_label_clickable zephyr_huddle_recipient"
-              onclick="narrow_personals({{id}})">{{name}}</span>
+              onclick="narrow_huddle({{id}})">{{name}}</span>
         {{/display_recipient}}
         &larr;
     {{/is_huddle}}