Added default empty for parameter
Added default empty for parameter

auipga/MopaBootstrapBundle,auipga/MopaBootstrapBundle,phiamo/MopaBarcodeBundle,marcelglaeser/MopaBarcodeBundle,auipga/MopaBootstrapBundle,marcelglaeser/MopaBarcodeBundle,naitsirch/mopa-bootstrap-bundle,phiamo/MopaBarcodeBundle,naitsirch/mopa-bootstrap-bundle,phiamo/MopaBarcodeBundle,marcelglaeser/MopaBarcodeBundle