use rubygems.org

.travis.yml

@@ -2,11 +2,12 @@ language: ruby
 
 bundler_args: '-j8' # avoid travis-ci to set deployment mode by default, and use parallel bundlerr
 
-before_script: bundle install
+#before_script: bundle install
 
 script: bundle exec rake spec
 
 before_install:
+  - grep -i processor /proc/cpuinfo | wc -l
   - "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
   - gem install bundler --pre
 

gemfiles/rails31.gemfile.lock

@@ -7,6 +7,7 @@ PATH
 
 GEM
   remote: http://ruby.taobao.org/
+  remote: https://rubygems.org/
   specs:
     actionmailer (3.1.12)
       actionpack (= 3.1.12)

gemfiles/rails32.gemfile.lock

@@ -7,6 +7,7 @@ PATH
 
 GEM
   remote: http://ruby.taobao.org/
+  remote: https://rubygems.org/
   specs:
     actionmailer (3.2.14)
       actionpack (= 3.2.14)

gemfiles/rails4.gemfile.lock

@@ -7,6 +7,7 @@ PATH
 
 GEM
   remote: http://ruby.taobao.org/
+  remote: https://rubygems.org/
   specs:
     actionmailer (4.0.0)
       actionpack (= 4.0.0)