mruby/mruby — pull request #1401 by tsahara-iij (2013-07-23 01:33:25+00:00)
Title: use "spec.author" where it's appropriate

"spec.author=" is for a single author and "spec.authors=" should be used for multiple authors according to [Gem Specification](http://guides.rubygems.org/specification-reference/). The first patch improves display of the author names of copyright statement in the "build/LEGAL" file when authors are specified by "spec.authors=".