Added admin ListElement
CR Fixes
Admin list contexts handlers are independent from Doctrine
Removed unnecessary class, updated docs
Docs fixes
Replaced DataGridWorker and DataSourceWokrer with ListWorker
ListWorker handles also deprecated interfaces
Merge pull request #129 from chives/dev-list

Added admin ListElement
Added tests with symfony 2.5 on travis
Removed isOpen() method implemented already in BehatPageObjectExtension
Relaxed exception expectation to pass with symfony 2.5 branch
Merge pull request #136 from chives/dev

Added tests with symfony 2.5 on travis
Remove Title
Spec + Resource element type
Behat
remove condition
remove option