Log Message:
pkgsrc changes:
  - Updating package for p5 module Data::ICal from 0.13nb1 to 0.15
  - Setting license to gnu-gpl-v2
  - Adjusting dependencies according to META.yml

Upstream changes:
0.15
    * Escaping fixes
0.14
    * No longer explodes if your .ics file lacks a VERSION property
    * Perl 5.11 adds additional strictures. Patch from ANDK to deal [rt.cpan.org \ 
#34717]