Removed duplicated code
typos
Minor fixes - PHP style tags and apostrophes on XPath parameters.
Merge branch 'master' of git://github.com/Codeception/Codeception
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
compatibility fix to autoloader
attachFile didn't have a field in the example