Merge branch 'release/1.4.3' into develop
Clean dependencies constraints
Do not limit testing to specific branches
Consistent handling of whitespaces in WebAssert::pageText[Not]Contains()
Merge pull request #317 from manuinsfx/develop

Consistent handling of whitespaces in WebAssert::pageText[Not]Contains()
Fixed README.md example.
Merge pull request #321 from kingofthejungle/develop

Fixed README.md example.
Fix multibite string preg_replace changes
http://php.net/manual/en/function.preg-replace.php#106981
Merge pull request #322 from livsi/develop

Fix multibite string preg_replace changes
Added Mink::isSessionStarted to check if a request has been made

Mirrors the API of Mink::getSession but does not auto-start the
session to make it possible to check whether the browser has already
executed a request.

Fixes Behat/Mink#273
Merge pull request #326 from acoulton/feat/is-session-started

Added Mink::isSessionStarted to check if a request has been made
Add CoreDriver to simplify DriverInterface changes
Added a missing method related to JS in CoreDriver
Fixed the testsuite with Symfony 2.3
Merge pull request #329 from Behat/fix_tests

Fixed the testsuite with Symfony 2.3
Bump changelog
Merge branch 'release/1.5.0'