Removed duplicated code
typos
Minor fixes - PHP style tags and apostrophes on XPath parameters.
Merge branch 'master' of git://github.com/Codeception/Codeception
Fix issue with coverage reports under "One Runner for Multiple Applications"
Merge pull request #428 from piccagliani/issue/427

Fix Issue with coverage reports under "One Runner for Multiple Applications"
Add header helpers for the REST module
Merge pull request #430 from brutuscat/master

Add header helpers
simple comments added
Merge pull request #417 from pfaocle/master

Minor doc fixes
Merge pull request #391 from enumag/patch-3

typos
extensions tested
added tests for groups, changed event execution
added generate pageobjects command and tests for it
improved linter for unit tests
Add environment configuration for Symfony2 module
stepobject generator
Merge pull request #433 from kernio/master

Add environment configuration for Symfony2 module
stepobjects and pageobjects tests and autoloader
group generators