Updated installation docs
Updated installation docs

tackerm/SonataDoctrinePhpcrAdminBundle,sonata-project/SonataDoctrinePhpcrAdminBundle,sonata-project/SonataDoctrinePhpcrAdminBundle,tackerm/SonataDoctrinePhpcrAdminBundle,sonata-project/SonataDoctrinePhpcrAdminBundle,tackerm/SonataDoctrinePhpcrAdminBundle,peterkokot/SonataDoctrinePhpcrAdminBundle,tackerm/SonataDoctrinePhpcrAdminBundle