Fix build after GWT 2.8.0-rc1 upgrade (#64)
Fix build after GWT 2.8.0-rc1 upgrade (#64)


mbiarnes/jbpm-form-modeler,etirelli/jbpm-form-modeler,droolsjbpm/jbpm-form-modeler,mbiarnes/jbpm-form-modeler,droolsjbpm/jbpm-form-modeler,droolsjbpm/jbpm-form-modeler,etirelli/jbpm-form-modeler,mbiarnes/jbpm-form-modeler,etirelli/jbpm-form-modeler