Merge branch 'develop' of github.com:CocoaPods/CocoaPods into develop

* 'develop' of github.com:CocoaPods/CocoaPods:
  Rubinius on Travis does not seem to pickup the UTF8 default external encoding.
  No need to run `pod setup` manually. Closes #315.

.travis.yml

@@ -6,4 +6,4 @@ rvm:
   #- rbx-18mode
   - rbx-19mode
 install: NOEXEC=skip rake travis:setup
-script: bundle exec rake spec
+script: RUBYOPT=-Ku bundle exec rake spec

cocoapods.gemspec

@@ -25,9 +25,6 @@ Gem::Specification.new do |s|
   s.executables   = %w{ pod }
   s.require_paths = %w{ lib }
 
-  s.post_install_message = "[!] If this is your first time install of CocoaPods, or if " \
-                           "you are upgrading, first run: $ pod setup"
-
   s.add_runtime_dependency 'faraday',   '~> 0.8.1'
   s.add_runtime_dependency 'octokit',   '~> 1.3.0'