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
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Added PHP 5.6 and HHVM to travis.

Build and tests still run :)

Commits
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9c2d6d1 Added PHP 5.6 and HHVM to travis.