use sfToolkit::arrayDeepMerge() instead of array_merge() for merging default values of OpenPNE.yml (fixes #3199)
use sfToolkit::arrayDeepMerge() instead of array_merge() for merging default values of OpenPNE.yml (fixes #3199)

isaosano/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3,C-nakajima/OpenPNE3,ShinichiU/OpenPNE3,C-nakajima/OpenPNE3,isaosano/OpenPNE3,nishizoe/OpenPNE3,C-nakajima/OpenPNE3,isaosano/OpenPNE3,kashiwasan/symfony-advanced,upsilon/travis-test,upsilon/travis-test,nishizoe/OpenPNE3,kashiwasan/symfony-advanced,isaosano/OpenPNE3,C-nakajima/OpenPNE3