tasks/usage.js
function formatUsageHeader(headerContent) {
  var headerString =  headerContent instanceof Array ?
    headerContent.join(EOL) :
    headerContent;

  return headerString + EOL;
}
function formatUsageHeader(headerContent) {
  var headerString =  headerContent instanceof Array ?
    headerContent.join(EOL) :
    headerContent;

  return headerString + EOL;
}
function formatUsageHeader ( headerContent ) { var headerString = headerContent instanceof Array ? headerContent . join ( EOL ) : headerContent ; return headerString + EOL ; }
Formats and returns the user's header string or array.

@param {Array|String} headerContent The usage header option string or array
@returns {String} The formatted usage header string
Formats and returns the user s header string or array .