Change Bootstrapper\Modal to Beam\Bootstrapper\Modal.
Add ACL Permissions module using Zend_Permissions_Acl (http://framework.zend.com/manual/2.2/en/modules/zend.permissions.acl.intro.html).  Ref issue #8.
Resolved #8 ACL based authorization using Zend_Permissions_ACL. Add role entry to user page. Add error pages.