Reenable 5.10 travis smokes

https://rt.cpan.org/Ticket/Display.html?id=88903 got solved \o/
Record notest install output as well
Really work around https://github.com/travis-ci/travis-ci/issues/1477

Just upgrade cpanm by hand with --dev
Add more autogenerated test exceptions, in fact do a carpetbomb

This is necessary at least for a while until the war on the user passes