Merge pull request #122 from zooniverse/hello

Use upper-case 'H' for 'Hello' message

app/index.html

@@ -62,7 +62,7 @@
 
                         <li ng-if="user" class="user">
                             <div class="text">
-                                <span ng-bind="'hello, '"></span>
+                                <span ng-bind="'Hello, '"></span>
                                 <strong ng-bind="user.display_name"></strong>
                                 <a class="logout" href="#" ng-click="$event.preventDefault(); signOut()">Log out</a>
                             </div>