fixed Symfony Http Kernel Cache deprecations
fixed Symfony Http Kernel Cache deprecations

SanderKnape/Silex,Xephi/Silex,RayRutjes/Silex,gencer/Silex,fhinkel/Silex,romainneutron/Silex,jdreesen/Silex,cgsmith/Silex,lokhman/Silex,cgsmith/Silex,RayRutjes/Silex,arduanov/Silex,mTorres/Silex,plotek/Silex,jdreesen/Silex,fabpot/Silex,mTorres/Silex,Xephi/Silex,mmauri04/Silex,beealone/Silex,arduanov/Silex,silexphp/Silex,romainneutron/Silex,romainneutron/Silex,fhinkel/Silex,mathroc/Silex,mathroc/Silex,mmauri04/Silex,cesarmarinhorj/Silex,plotek/Silex,beealone/Silex,SanderKnape/Silex,fabpot/Silex,lokhman/Silex,cesarmarinhorj/Silex