Add Gemfile for travis to install dependencies

sshao · sshao · commit e710d431f65a · 2014-10-13T11:20:11.000-05:00
diff --git a/Gemfile b/Gemfile
@@ -0,0 +1,4 @@
+source 'https://rubygems.org'
+
+# Gem dependencies in gemspec
+gemspec
