added a script to update git submodules
added a script to update git submodules

peterkokot/Silex,jdreesen/Silex,lyrixx/Silex,peterkokot/Silex,SpacePossum/Silex,lyrixx/Silex,CarsonF/Silex,mmauri04/Silex,JPry/Silex,fhinkel/Silex,beealone/Silex,mTorres/Silex,fhinkel/Silex,romainneutron/Silex,cesarmarinhorj/Silex,mathroc/Silex,Xephi/Silex,fabpot/Silex,peterkokot/Silex,tcx1000/Silex,fabpot/Silex,beealone/Silex,lokhman/Silex,CarsonF/Silex,JPry/Silex,Seldaek/Silex,RayRutjes/Silex,naderman/Silex,mathroc/Silex,tcx1000/Silex,akucherevskiy/developex_test,Xephi/Silex,GromNaN/Silex,mTorres/Silex,akucherevskiy/developex_test,stof/Silex,GromNaN/Silex,CarsonF/Silex,Tobion/Silex,lokhman/Silex,RayRutjes/Silex,romainneutron/Silex,Incognito/silex-fork,cesarmarinhorj/Silex,arduanov/Silex,cgsmith/Silex,SanderKnape/Silex,naderman/Silex,SpacePossum/Silex,romainneutron/Silex,stof/Silex,arduanov/Silex,jdreesen/Silex,Seldaek/Silex,akucherevskiy/developex_test,silexphp/Silex,Tobion/Silex,lyrixx/Silex,SanderKnape/Silex,GromNaN/Silex,plotek/Silex,cgsmith/Silex,Tobion/Silex,Incognito/silex-fork,plotek/Silex,naderman/Silex,gencer/Silex,mmauri04/Silex,stof/Silex