Log Message:
Update to 1.68
Update DEPENDS

Upstream changes:
1.68 (marekr)
- CPAN#102529: License declaration mismatch
  unified the license for Pod-Usage to "as Perl itself", and corrected \ 
authors
- CPAN#109830: Tests fail
  added prerequisite for Pod::Text 4.00 to avoid running tests with outdated
  Pod::Text
- CPAN#110443: [PATCH] fix -perldoc option in pod2usage() method
  added missing '-'
- CPAN#110446: [feature request] -perldocopt for supplying perldoc options
  added this option; split of string on whitespace is not optimal, but
  should do the job

1.67 (marekr)
- added options -perlcmd and -perldoc to allow for non-standard installations
  of perl and the perldoc script. Thanks to Markus Jansen for the patch