Fix events firing on wrong element for button component

src/scripts/lib/clay-item.js

@@ -59,7 +59,7 @@ function ClayItem(config) {
   };
 
   // attach event methods
-  ClayEvents.call(self, self.$element);
+  ClayEvents.call(self, self.$manipulatorTarget);
 
   // attach the manipulator methods to the clayItem
   _.eachObj(_component.manipulator, function(methodName, method) {

src/templates/components/checkboxgroup.tpl

@@ -8,7 +8,6 @@
           type="checkbox"
           value="{{this.value}}"
           name="clay-{{clayId}}"
-          data-manipulator-target
           {{each key: attributes}}{{key}}="{{this}}"{{/each}}
         />
         <i></i>

src/templates/components/radiogroup.tpl

@@ -8,7 +8,6 @@
           type="radio"
           value="{{this.value}}"
           name="clay-{{clayId}}"
-          data-manipulator-target
           {{each key: attributes}}{{key}}="{{this}}"{{/each}}
         />
         <i></i>