* Do not use `git ls-files` for file listing.
* Fix extconf.rb path.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58321 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Update configuraiton for gem release.
* Bump version to 0.2.1. Because 0.2.0 is already reserved on rubygems.org
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58315 b2dd03c8-39d4-4d8f-98ff-823fe69b080e