Updated p5-Mojolicious to 7.31.

7.31  2017-04-23
  - Removed deprecated files, slurp and spurt functions from Mojo::Util.
  - Removed deprecated parts attribute from Mojo::Home.
  - Removed deprecated slurp and spurt methods from Mojo::ByteStream.
  - Removed deprecated lib_dir, list_files, parse and rel_dir methods from
    Mojo::Home.
  - Removed deprecated rel_dir method from Mojolicious::Command.
  - Removed deprecated is_status_class method from Mojo::Message::Response.
  - Fixed a bug in the app generator command where the config file name was not
    based on the application moniker.

(wiz)