Added PHP 5.6 and HHVM to travis.
minor #118 Added PHP 5.6 and HHVM to travis. (h4cc)

This PR was merged into the 1.1 branch.

Discussion
----------

Added PHP 5.6 and HHVM to travis.

Build and tests still run :)

Commits
-------

9c2d6d1 Added PHP 5.6 and HHVM to travis.
Merge branch '1.1'

* 1.1:
  Added PHP 5.6 and HHVM to travis.