Adding sylius search feature
Merge branch 'sylius-search' of bitbucket.org:reissjira/sylius into sylius-search

Conflicts:
	behat.yml.dist
	src/Sylius/Bundle/SearchBundle/Command/IndexCommand.php
	src/Sylius/Bundle/SearchBundle/DependencyInjection/Configuration.php
	src/Sylius/Bundle/SearchBundle/DependencyInjection/SyliusSearchExtension.php
	src/Sylius/Bundle/SearchBundle/Finder/OrmFinder.php
	src/Sylius/Bundle/SearchBundle/Indexer/OrmIndexer.php
	src/Sylius/Bundle/SearchBundle/Listener/OrmListener.php