Update lib/symfony1.rb
Update lib/symfony1.rb

Fixed an issue where if the database.yml file has only one enviroment configured an NPE rises
jeroendesloovere/capifony,everzet/capifony,everzet/capifony,shipci/capifony,korobi/capifony,korobi/capifony,trsteel88/capifony,24HOURSMEDIA/capifony,pedroresende/capifony,pedroresende/capifony,jeroendesloovere/capifony,pimolo/capifony,shipci/capifony,pimolo/capifony,trsteel88/capifony,24HOURSMEDIA/capifony