code: function( url, wc, options, callback ) {
  	if ( typeof options === 'function' ) {
  		callback = options;
  		options = null;
  	}
  	options = options || {};
  	executeSvn( [ 'relocate', url, wc ], options, callback );
  }
docs: Relocates an svn working copy
  @function relocate
  @memberof commands
  @param {string} url - Relocation URL
  @param {string} wc - Working copy to relocate
  @param {object} [options] - Options object
  @param {function} [callback] - Complete callback