use gemspec
use gemspec

http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/
halas/hadora.xyz,halas/hadora.xyz,bertrandkeller/overkyll-jekyll-theme,halas/hadora.xyz,bertrandkeller/overkyll-jekyll-theme,halas/hadora.xyz,bertrandkeller/overkyll-jekyll-theme