Checkboxes fix

Seems to work now

Author: davidlgj

src/checkboxes.html

@@ -1,13 +1,15 @@
 <div sf-array="form" ng-model="$$value$$"
      class="form-group schema-form-checkboxes {{form.htmlClass}}"
      ng-class="{'has-error': hasError(), 'has-success': hasSuccess()}">
+    
   <label class="control-label" ng-show="showTitle()">{{form.title}}</label>
   <div class="checkbox" ng-repeat="val in titleMapValues track by $index" >
     <md-checkbox ng-model="titleMapValues[$index]"
                 sf-changed="form"
                 ng-disabled="form.readonly"
-                schema-validate="form"
                 name="{{form.key.slice(-1)[0]}}"
+                ng-true-value="true"
+                ng-false-value="false"
                 aria-label="{{form.title || form.key.slice(-1)[0]}}">
       <span ng-bind-html="form.titleMap[$index].name"></span>
     </md-checkbox>
@@ -19,4 +21,5 @@
     -->
     <div sf-message ng-message></div>
   </div>
+
 </div>