fix PHP Strict standards error

PHP Strict standards: Declaration of Codeception\Module\PhpBrowser::_before() should be compatible with Codeception\Module::_before(Codeception\TestCase $test) in /home/travis/build/tiger-seo/codeception-remotedebug/vendor/codeception/codeception/src/Codeception/Module/PhpBrowser.php on line 52
Merge pull request #634 from Codeception/1.7

fix PHP Strict standards error
better error description whenever config file could not be found
new method isExtensionEnabled to check if particular extension is installed and enabled
Merge pull request #636 from cujo/phalcon1-module

Add Phalcon1 framework module
Merge pull request #637 from Codeception/1.7

enhancement
module names in output / phalcon sessions
db methods for phalcon
debug output improved
db and session methods from phalcon
updates to Phalcon1 module
Merge branch 'master' of github.com:Codeception/Codeception
Fix Phalcon1 _url param and add QUERY_STRING
Fix Phalcon1 transactions, cookies; rename application to bootstrap