Log Message:
Update to 0.15
Update LICENSE

Upstream changes:
0.15 2013-09-28
    - Hadn't specific meta-spec version 2, so github repo wasn't turning
      up in the metadata.

0.14 2013-08-25
    - Changed the repository meta_merge to the new format
    - Tweaked format (mainly release dates) to conform to CPAN::Changes::Spec

0.13_1 2013-03-08
    - first test release by NEILB after getting comaint
    - no changes other than specifying github repository