Gemfile in rzo-0.1.0 vs Gemfile in rzo-0.2.0

@@ -1,6 +1,3 @@
-source "https://rubygems.org"
-
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
-
+source ENV['GEM_SOURCE'] || 'https://rubygems.org'
 # Specify your gem's dependencies in rzo.gemspec
 gemspec