Merge pull request #194 from artyfarty/master

Configurable error_level
Changes in Yii1 module according handling unit-tests
New components for unit-testing
Fixed formatting "tabs" to "4 spaces" in files where tabs and spaces were used together
Fixed typos
Force session close after each test to avoid some non-standart situations
Force session close after each test to avoid some non-standart situations
Merge pull request #202 from Ragazzo/CHttpSession-force-close-after-each-test

Force session close after each test to avoid some non-standart situations
Merge pull request #198 from Ragazzo/Codeception-unit-tests-fix-and-enhancement

Codeception unit tests fix and enhancement
Merge pull request #199 from Ragazzo/Codeception-formatting-fix

Codeception formatting fix
Merge pull request #200 from pborreli/typos

Fixed typos
[composer.json] Using behat/mink 1.4.*@stable

Will give access to behat/mink 1.4.1 and superior, which are compatible with Symfony 2.2
Merge pull request #203 from gnugat/patch-1

[composer.json] Using behat/mink 1.4.*@stable
tests for Selenium2 added
Merge branch 'master' of github.com:Codeception/Codeception
popup tests added for Selenium
fixed Selenium 2 when using Selenium Grid
Merge pull request #206 from Nas1k/master

Selenium 2 Grid
error handling improved, selenium2 webdriver capabilties added