Changed versions of Behat harness from development ones to stable. Otherwise configuration parameters was different from ones mentioned in the documentation.
Removed unnecessary "testdb" section from example of local config.
Set the Selenium package to fixed version and added the launcher script.
Moved Behat config to root directory and made a local file for it.
Added copying behat-local.yml to Vagrant provisioning script.
Cleaned up the trivial tests for Behat.
Rearranged the PHPUnit harness. Trivial tests are already in place.
Installed the EnvironmentCommand.
Added the PHPLOC static code checker.
Added PDepend and test code coverage to static analysis harness.
Added PHP Mess Detector to static analysis harness.
Removed unnecessary INSTALL file.
Moved libraries for development in `require-dev` section.