change internal "settings" key to "config"
change internal "settings" key to "config"

All registries currently expect a "settings" key in normalized array
config - change that expectation to "config" to be inline with the
public api and internals of the rest of CakePHP

CVO-Technologies/cakephp,adopico/cakephp,dakota/cakephp,garethellis36/cakephp,thinkingmedia/cakephp,davidyell/cakephp,justinyost/cakephp,eryw/cakephp,web-player/cakephp,justinyost/cakephp,jjj117/cakephp,cakephp-fr/cakephp,nrother/cakephp,yinhe007/cakephp,cakephp/cakephp,Balachan27/cakephp,tgr0ss/cakephp,mvdriel/cakephp,ionas/cakephp,CVO-Technologies/cakephp,elboletaire/cakephp,timhoeppner/cakephp,khoimt/cakephp-study,CakeDC/cakephp,adopico/cakephp,CakeDC/cakephp,ionas/cakephp,jeffblack360/cakephp,nrother/cakephp,akintoey/cakephp,dkarvounaris/cakephp,petteyg/cakephp,pbaire/cakephp,jeffblack360/cakephp,thinkingmedia/cakephp,akintoey/cakephp,garethellis36/cakephp,eboominathan/cakephp,burriko/cakephp,elboletaire/cakephp,HavokInspiration/cakephp,jerems02/cakephp,cakephp-fr/cakephp,erikfig/cakephp,kumamidori/cakephp,yinhe007/cakephp,cakephp/cakephp,tisu2tisu/cakephp,davidyell/cakephp,ADmad/cakephp,jerems02/cakephp,web-player/cakephp,bravo-kernel/cakephp,ADmad/cakephp,bravo-kernel/cakephp,garethellis36/cakephp,petteyg/cakephp,ADmad/cakephp,tenkoma/cakephp,kumamidori/cakephp,mvdriel/cakephp,cakephp-fr/cakephp,tenkoma/cakephp,CakeDC/cakephp,web-player/cakephp,dakota/cakephp,berrygoudswaard/cakephp,dkarvounaris/cakephp,elboletaire/cakephp,garethellis36/cakephp,akintoey/cakephp,burriko/cakephp,mvdriel/cakephp,Balachan27/cakephp,eryw/cakephp,jeffblack360/cakephp,timhoeppner/cakephp,ndm2/cakephp,HavokInspiration/cakephp,erikfig/cakephp,pbaire/cakephp,burriko/cakephp,nrother/cakephp,mvdriel/cakephp,timhoeppner/cakephp,tgr0ss/cakephp,justinyost/cakephp,gmponos/cakephp,ionas/cakephp,thinkingmedia/cakephp,CVO-Technologies/cakephp,HavokInspiration/cakephp,tgr0ss/cakephp,gmponos/cakephp,tisu2tisu/cakephp,michaelze/cakephp,jerems02/cakephp,Phillaf/cakephp,michaelze/cakephp,michaelze/cakephp,cakephp/cakephp,khoimt/cakephp-study,tenkoma/cakephp,jjj117/cakephp,Phillaf/cakephp,berrygoudswaard/cakephp,kumamidori/cakephp,ADmad/cakephp,dakota/cakephp,gmponos/cakephp,eboominathan/cakephp,Phillaf/cakephp,ndm2/cakephp,eboominathan/cakephp,eryw/cakephp,erikfig/cakephp,Balachan27/cakephp,davidyell/cakephp,yinhe007/cakephp,berrygoudswaard/cakephp,ndm2/cakephp,tenkoma/cakephp,cakephp/cakephp,tisu2tisu/cakephp,petteyg/cakephp,pbaire/cakephp,bravo-kernel/cakephp,petteyg/cakephp,jjj117/cakephp,dkarvounaris/cakephp,ndm2/cakephp,CakeDC/cakephp,dakota/cakephp,khoimt/cakephp-study,adopico/cakephp