Log Message:
Update to 7.22

Upstream changes:
7.22  2017-01-25
  - Added ports method to Mojo::Server::Daemon.
  - Added remove_tree method to Mojo::File.
  - Improved spurt method in Mojo::File with support for writing multiple chunks
    at once.

7.21  2017-01-21
  - Added extract_usage function to Mojo::Util.
  - Improve getopt function in Mojo::Util to use @ARGV by default.