Added "Pagerfanta\PagerfantaInterface" to the 'use' section..

Makes my IDE happier, and PHPDOC as well.
Issue-1436: [Bug Fix] Loading doctrine fixtures
Add Finite dependency
Switch to string state for Order
Add states & transitions configuration
Simple Finite implementation
Use constant for transition names
Use Finite with Payment as well
Add Sequence Component and Bundle
Handle the failure case on Doctrine ORM
Merge pull request #1437 from Trip09/issue_1436

Issue-1436: [Bug Fix] Loading doctrine fixtures
Remove the getAppDir() method from kernel
Fixes
Use constant for graph names
Merge pull request #1169 from winzou/sequence

Universalise Number generation and usage
Merge pull request #1426 from winzou/state-machine

Use Finite State Machine
Remove obsolete Number class and interface, tweak deps
Merge pull request #1435 from smarques/pagerfantaInterfaceReference

Added "Pagerfanta\PagerfantaInterface" to the 'use' section..
Merge pull request #1439 from pjedrzejewski/small-tweaks-to-sequence-and-finite

Remove obsolete Number class and interface, tweak deps
Fix incorrect use statment