Spec clean-up
- Run the test suite in %check now that it no longer breaks in mock
- BR: perl(Carp), perl(Errno), perl(Exporter), perl(Fcntl), perl(IO::Handle)
and perl(POSIX)
- Make %files list more explicit
- Mark Expect.pod as %doc
- Use search.cpan.org source URL
- Use DESTDIR rather than PERL_INSTALL_ROOT
- Use %{_fixperms} macro rather than our own chmod incantation
- Don't use macros for commands
- Use tabs