Reassembly is using unescaped '\n'

[nickpalmer]

On line 100 in logger.js there is this:

  function appendNewline(line) {
    this.emit('data', line + '\n');
  }

This is a bug, since '\n' isn't converted to the newline character. This should be changed to:

  function appendNewline(line) {
    this.emit('data', line + os.EOL);
  }

It causes this issue in Lerna which is streaming through strong-log-transformer:
lerna/lerna#994

Additionally, on line 77 or logger.js there is this regexp to split lines:

      var list = last.split(/\r\n|[\n\v\f\r\x85\u2028\u2029]/g);

This regex is suspect and probably should just split on whatever os.EOL is set to and nothing else.