Added development dependency to rake for passing travis-ci

Author: gazay

Rakefile

@@ -1,4 +1,9 @@
 require 'rubygems'
 require 'rake'
 require 'bundler'
-Bundler::GemHelper.install_tasks
+Bundler::GemHelper.install_tasks
+
+desc 'Run all tests by default'
+task :default do
+  system("rspec spec")
+end

gon.gemspec

@@ -23,4 +23,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rabl"
   s.add_development_dependency "rspec"
   s.add_development_dependency "jbuilder"
+  s.add_development_dependency "rake"
 end