Update to 7.47
7.45 and 7.46 were skipped, as they had no impact on FreeBSD.

7.47 2017-10-05

• Added multipart content generator to Mojo::UserAgent::Transactor.
• Fixed a bug in Mojo::File where parts of a path could get accidentally upgraded from bytes to characters.

7.46 2017-09-12

• Fixed support for versions of IO::Socket::SSL older than 1.965 again.

7.45 2017-09-06

• Fixed support for versions of IO::Socket::SSL older than 1.965. (mudler, foursixnine, genio, sri)