Use the new build env on Travis

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bump .travis.yml
Add test scripts to composer.json.

This change means you can run the collection of tests and phpcs reviews
with just one command, `composer run-script test`.

I also took the time to turn on strict mode for phpunit and fix the risky
tests.
Fix license links.
Merge branch 'patch-1' of https://github.com/joshk/static-review into joshk-patch-1

Conflicts:
	.travis.yml
Merge branch 'joshk-patch-1' into develop