Update erlang doc to reflect supported Erlang rels

The set of releses is now taken from the sources
specified in the erlang chef cookbook.
Add Documentation on PostgreSQL Addon

related to travis-ci/travis-build#143
Update to Clang 3.3
Update to Maven 3.1 and Gradle 1.8
Add Oracle JDK 8 to Java documentation
Add Skeleton for the vm update blog post
Added note about pushing local tags
Capitalize Travis on About pages [ci skip]
Merge pull request #395 from fgo/update-about-page

Capitalize Travis on About index pages [ci skip]
Generate blog post easier

For example:

    rake gen_blog_post\[super duper announcement\]

This will create a file in
`blog/_posts/%Y-%m-%d-super-duper-announcement.md`.

If `VISUAL` or `EDITOR` is defined, the file is opened immediately for
editing.
Merge pull request #398 from BanzaiMan/generate_blog_post

Generate blog post easier
Fix file name normalization
Prefer File.join
Add Engine Yard to deploy page

Show Engine Yard some love :heart:
Merge pull request #396 from Joshua-Anderson/more-providers

Add Engine Yard to deploy page
Add Skeleton for the vm update blog post
Updated the blog post on upcoming build environment updates.
It's Travis CI
Update PHP docs to use `install` when appropriate

Installing dependencies with `before_script` is possible, but the `install` phase is a more appropriate one.
Updates for Ruby EE.