use string for pattern instead of using a compiled regex

- because the compiled regex may add flags that can not be parsed with
  older versions of Perl
add support for new Alien::Base options
usage of 0.005 features will require Alien::Base 0.005
Merge pull request #4 from plicease/alien_0.005

add support for Alien 0.005 features
Merge branch 'master' of github.com:Getty/p5-dist-zilla-plugin-alien