Log Message:
Updating devel/p5-Devel-Cover from 0.68nb1 to 0.70

pkgsrc changes:
- add license
- tidy

Upstream changes:
Release 0.69 - 28th August 2010
 - Correctly report on C<my $x = $y || return> and other shortcuts.
 - Put end to end tests in t/e2e.
 - Add test for regexp eval fail (Florian Ragwitz).
 - Fix some warnings from strict compilers (Florian Ragwitz).
 - Allow tests to run in parallel (Florian Ragwitz).
 - Test against 5.13.* development releases.
 - We now require Test::More to run the tests.