remove inc/dontpanic/ during clean / distclean
more stuff for git to ignore
ignore batch version of Build
use \ for MSWin32 path sep
explicitly require Test::More

Is included in the Perl core, but this makes it easier when creating
.spec files for rpms via cpanspec.
ignore tarballs
Merge pull request #3 from plicease/tidy2

use / for MSWin32 path sep