Start using travis-perl helpers

[leto]

https://github.com/travis-perl/helpers

So travis can test against Perl "dev" and "blead"

[leto]

This is a nice overview: http://blogs.perl.org/users/graham_knop/2014/10/travis-ci-perl-helpers.html

[autarch]

You might find this tool I wrote helpful - https://metacpan.org/release/App-CISetup

[leto]

@autarch thanks for the link! Will check it out. This is actually an old issue that can be closed, I came up with a solution for testing against various Perls that seems to be OK for now.