Only show observation actions tab on observations page

Author: newmanw

public/app/mage/feed.directive.html

@@ -9,7 +9,7 @@
   </div>
 </div>
 
-<div class="top-gap feed-page" >
+<div class="top-gap feed-page" ng-show="currentFeedPanel == 'observationsTab'">
   <div class="btn-group btn-group-justified">
     <div class="btn-group" role="group">
       <button type="button" class="btn btn-default" ng-model="actionFilter" uib-btn-radio="'all'">All</button>