Minor Commit to Add TItles

Author: James Cori

src/components/challenge-users-stats/challenge-users-stats.directive.html

@@ -1,13 +1,13 @@
 <div class="challenge-users-stats">
-  <span class="challenge-users-stats-type" alt="{{registrants}} registrants">
+  <span class="challenge-users-stats-type" title="{{registrants}} registrants" alt="{{registrants}} registrants">
     <i class="glyphicon glyphicon-user"></i>
     <span>{{registrants}}</span>
   </span>
-  <span class="challenge-users-stats-type" alt="{{submissions}} submissions">
+  <span class="challenge-users-stats-type" title="{{submissions}} submissions" alt="{{submissions}} submissions">
     <i class="glyphicon glyphicon-file"></i>
     <span>{{submissions}}</span>
   </span>
-  <span class="challenge-users-stats-type" alt="{{groups}} groups" ng-if="groups > 0">
+  <span class="challenge-users-stats-type" title="{{groups}} groups" alt="{{groups}} groups">
     <i class="glyphicon glyphicon-tower"></i>
     <span>{{groups}}</span>
   </span>