Log Message:
p5-Mail-Box: update to 3.005.

verison 3.005: Sun Mar  4 21:48:38 CET 2018

	Changes:
	- code trusted on "perl -w", but now added many "use warnings".

	Improvements:
	- spell fixes rt.cpan.org #12400 [Damyan Ivanov] (Debian)
	- remove license file: now in README.md
	  rt.cpan.org#124057 [Petr Pisar]
	- remove Mail/Box-Shorts.pod: already consumed somewhere else
	  rt.cpan.org#124056 [Petr Pisar]
	- converted to GIT, publish to  GitHub
	- check produced pods