Fix incompatible signature between ProcessBuilder and ProcessBuilderInterface. Add first spec for FlowBundle.
Merge pull request #1639 from Richtermeister/fix-flow-builder-interface

Fix incompatible signature between ProcessBuilder and ProcessBuilderInterface
Fix the issue with too many connections
Fixed missing use statements

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Merge pull request #1642 from saro0h/fix-use-statements

Fixed missing use statements.
Translation fixes.
Merge branch 'master' of git://github.com/Sylius/Sylius

Conflicts:
	src/Sylius/Bundle/ShippingBundle/Resources/translations/messages.ru.yml
	src/Sylius/Bundle/WebBundle/Resources/translations/messages.ru.yml