Polished README.md and other docs
Updated datasource-bundle stable version in intsallation docs
Merge pull request #23 from norzechowicz/readme

Polished README.md and other docs
Update installation.md
Update basic_usage.md
Added .yml configuration builder
Updated docs
Fixed typos
Merge pull request #24 from norzechowicz/configuration

Added .yml configuration builder
Fixed configuration builder listener registration
Merge pull request #25 from norzechowicz/configuration

Fixed configuration builder listener registration
Fixed dependencies
Added new driver - doctrine-orm
Updated docs
Merge pull request #26 from chives/dev-1.2

Fixed dependencies
Merge pull request #28 from norzechowicz/doctrine-orm

Added new driver - doctrine-orm