Converts an input JSON report to an Apple style crash
report using the internal parses in sequence.

@param report the JSON report.
@returns {string} an Apple style report.
function convert(report) {
  return []
    .concat(
      Parsers.parse('headers', report),
      Parsers.parse('reason',  report),
      Parsers.parse('threads', report),
      Parsers.parse('cpu',     report),
      Parsers.parse('images',  report),
      Parsers.parse('extras',  report)
    )
    .join('\n')
}