Changed the vendor folder in the doc to avoid using the generic doctrine-extensions name
Changed the vendor folder in the doc to avoid using the generic doctrine-extensions name

mcfedr/StofDoctrineExtensionsBundle,jhcasado/StofDoctrineExtensionsBundle,erikaheidi/StofDoctrineExtensionsBundle,felicitus/StofDoctrineExtensionsBundle,romaricdrigon/StofDoctrineExtensionsBundle,alterphp/StofDoctrineExtensionsBundle,OskarStark/StofDoctrineExtensionsBundle,IWAtech/StofDoctrineExtensionsBundle,stof/StofDoctrineExtensionsBundle