Add postgres with initdb.d/ and 9.3 beta bump
Regenerate all ubuntu versions, especially now that utopic has the apt CVE fix
Merge pull request #260 from tianon/ubuntu

Regenerate all ubuntu versions
Merge pull request #259 from infosiftr/postgres

Add postgres with initdb.d/ and 9.3 beta bump
Add Travis badge to README and disable cache use

The cache takes about as long to copy into the build system as cloning the repos takes anyhow, so the benefits of using it are dubious at best.
Merge pull request #261 from infosiftr/travis-readme

Add Travis badge to README and disable cache use