Unification drivers factiores
Removed createDataSource from Drivers and changed DataSourceFactory::createDataSource arguments
Merge pull request #10 from norzechowicz/driver

Unification drivers factiores
Refactorized process of fields options initialization
Merged in chives/datasource/dev (pull request #15)

Refactorized process of fields options initialization
Refactorized driver extensions
Merged in chives/datasource/dev (pull request #16)

Refactorized driver extensions
Changed dev-master branch alias
Fixed registration of options common to all fields' types
Merged in chives/datasource/dev (pull request #17)

Fixed registration of options common to all fields' types
Fixed loading of driver extensions through DependencyInjection
Merged in chives/datasource/dev (pull request #18)

Fixed loading of driver extensions through DependencyInjection