Add Skeleton for the vm update blog post
Updated the blog post on upcoming build environment updates.
Updates for Ruby EE.
Mention specific Ruby 2.1 version.
Adjust post structure to prevent @rkh's OCD.
Update docs to reflect new OS X VMs
Update Erlang, Ruby, PHP and Node.js releases.
Give a round of applause to @gildegoma.
Mention Sphinx bump.
Bump date and permalink.
Update date.
Merge pull request #399 from travis-ci/mm-vm-update-q4-2013-blog-post

Blog post on build environment updates
Change file, update date for .com rollout.
PyPy updated to 2.2
Databass and tools.
Add link to blog post about Python 2.5 usage.
Blog post on Xcode 5.
Thank you Sauce Labs!
Add note on missing RubyMotion.
Little note on the RubyMotion version.