Changes the teams panel so read only users cannot edit it.

Read only users should not be able to edit the teams modal so override
the opal panel and hide the icon if the user is read only.

elcid/templates/_helpers/teams_panel.html

@@ -0,0 +1,20 @@
+{% load forms %}
+<div class="panel panel-default record-panel">
+  <div class="panel-heading">
+    <h3>
+      {% icon 'fa-users' %}
+      Teams
+      <span ng-show="!profile.readonly">
+      <i class="fa fa-pencil edit pull-right"
+         ng-click="open_modal('EditTeamsCtrl', '/templates/modals/edit_teams.html', {episode: episode})"></i>
+      </span>
+    </h3>
+  </div>
+  <ul class="list-group">
+    <li class="list-group-item"
+        ng-repeat="tag in episode.getTags()"
+        ng-show="metadata.tag_visible_in_list.indexOf(tag) != -1">
+        <a href="/#/list/[[ metadata.tags[tag].slug ]]" >[[ metadata.tags[tag].display_name ]]</a>
+    </li>
+  </ul>
+</div>