Big re-brand - Test::Kit2 is now Test::Kit 2.0

Big thanks to Ovid for granting me COMAINT on Test::Kit so that
Test::Kit 2.0 can be released as a replacement for Test::Kit 0.101.
Add 'SEE ALSO' POD section

Thanks to preaction@github for commenting on prepan.org and pointing
these other modules out to me.