drop "use v5.10" from bundle

Wasn't needed, and was making travis unhappy when trying to test dists against
5.8.
[dzil] add Authority, Git::Describe plugins
copyright year to 2013
[dzil] add Test::MinimumVersion w/a default of 5.008008
v0.040

	* drop requirement on perl v5.10+; not needed for this package and was
	  making testing difficult on travis.
	* [dzil] add Authority, Git::Describe plugins
	* [dzil] add Test::MinimumVersion w/a default of 5.008008