scope.category= attrs.category || 'image';
scope.mimetype= (attrs.accept || 'image') + '/*';
scope.maxsize= attrs.maxsize || 100; // default max size 100KB
scope.category= attrs.category || 'image';
scope.mimetype= (attrs.accept || 'image') + '/*';
scope.maxsize= attrs.maxsize || 100; // default max size 100KB