Change password input type to password

index.html

@@ -27,7 +27,7 @@
           <div class="control-group">
             <label class="control-label" for="password">Password</label>
             <div class="controls">
-              <input type="text" id="password" ng-model="password" placeholder="Password">
+              <input type="password" id="password" ng-model="password" placeholder="Password">
             </div>
           </div>
           <div class="control-group">