Update drupal-ti
Try to use drush master for server.
Add a web test.
Fix test problem.
Ensure that tests are in sync.
Merge pull request #5 from LionsAd/fix-php5.4-drupal-7

Fix PHP >= 5.4 for Drupal 7 by using drush/drush:master
Hotfix: Use Drush 6 for PHP 5.3.
Hotfix: Detect more fail cases.
Hotfix: Fix more simpletest.
Need to test at least PHP 5.3 and HHVM.
Update composer to itself to make builds faster.
Make HHVM not timeout for now at least.
Merge pull request #6 from LionsAd/test-hhvm

Fix HHVM to not timeout, but fail, ensure PHP 5.3 is self-tested, but excluded from Drupal-8
Move specific functionality to generic functions.
Move functionality to functions.
Behat integration.
Add basic behat integration.
Add new behat files.
Use newer selenium, install firefox, replace vars from .yml.dist file.
Test only drupal-7 with behat for now.