Add popover telling people we are lazy (Closes #46)

- well um, it's kind of true
- hovers, looks nice, and works -- what else do you want!

go/go/templates/link_box.html

@@ -43,10 +43,17 @@
 
       <strong>Expires:</strong> {{url.expires|default_if_none:"Never"}}
       <br></br>
-      <a class="button btn btn-info btn-sm" href="#">
-        <i class="fa fa-cog"></i> Edit</a>
-      <a class="button btn btn-danger btn-sm" href="{{domain}}delete/{{url.short}}">
+      <a class="button btn btn-danger btn-sm fa" href="{{domain}}delete/{{url.short}}">
         <i class="fa fa-trash-o fa-lg"></i> Delete</a>
+
+      <a tabindex="0" class="button btn btn-info btn-sm fa"
+        role="button" data-toggle="popover" title="Not Implemented Quite Yet :("
+        data-content=
+        "We are working on adding this feature in a future
+        release of Go. If you'd like to check that progress or potentially
+        contribute code, head to git.gmu.edu/srct/go">
+        <i class="fa fa-cog"></i> Edit</a>
+
       {% endif %}
       <br></br>
   </div>
@@ -86,3 +93,10 @@
   {% endwith %}
   </div>
 </div>
+
+<script>
+  $(function () {
+    var option = {'trigger': 'hover'};
+    $('[data-toggle="popover"]').popover( option )
+  })
+</script>