More predictable default for CakeShema class naming.
More predictable default for CakeShema class naming.

Instead of using the `APP_DIR` constant, which may change between developer installations of a project and cause issues loading Schemas generated elsewhere, use a fixed string, 'App'.

This is related to CakeDC/migrations#184 and should fully resolve #4174.
justinyost/cakephp,timhoeppner/cakephp,CVO-Technologies/cakephp,jeffblack360/cakephp,davidyell/cakephp,eryw/cakephp,web-player/cakephp,burriko/cakephp,justinyost/cakephp,et304383/passbolt_api,thinkingmedia/cakephp,timhoeppner/cakephp,justinyost/cakephp,elboletaire/cakephp,dkarvounaris/cakephp,ndm2/cakephp,bravo-kernel/cakephp,cakephp-fr/cakephp,kumamidori/cakephp,pbaire/cakephp,cakephp-fr/cakephp,jerems02/cakephp,ADmad/cakephp,CakeDC/cakephp,ionas/cakephp,michaelze/cakephp,ndm2/cakephp,ndm2/cakephp,erikfig/cakephp,tisu2tisu/cakephp,mvdriel/cakephp,ionas/cakephp,khoimt/cakephp-study,CVO-Technologies/cakephp,Phillaf/cakephp,kumamidori/cakephp,CVO-Technologies/cakephp,Phillaf/cakephp,tisu2tisu/cakephp,Phillaf/cakephp,erikfig/cakephp,petteyg/cakephp,adopico/cakephp,davidyell/cakephp,ndm2/cakephp,dakota/cakephp,HavokInspiration/cakephp,dakota/cakephp,eryw/cakephp,pbaire/cakephp,Balachan27/cakephp,jjj117/cakephp,HavokInspiration/cakephp,tgr0ss/cakephp,berrygoudswaard/cakephp,garethellis36/cakephp,jerems02/cakephp,adopico/cakephp,dkarvounaris/cakephp,akintoey/cakephp,HavokInspiration/cakephp,khoimt/cakephp-study,et304383/passbolt_api,jerems02/cakephp,cakephp-fr/cakephp,et304383/passbolt_api,elboletaire/cakephp,nrother/cakephp,tisu2tisu/cakephp,CakeDC/cakephp,web-player/cakephp,garethellis36/cakephp,ionas/cakephp,petteyg/cakephp,davidyell/cakephp,nrother/cakephp,michaelze/cakephp,jeffblack360/cakephp,cakephp/cakephp,berrygoudswaard/cakephp,berrygoudswaard/cakephp,ADmad/cakephp,bravo-kernel/cakephp,nrother/cakephp,jjj117/cakephp,eboominathan/cakephp,pbaire/cakephp,yinhe007/cakephp,ADmad/cakephp,thinkingmedia/cakephp,khoimt/cakephp-study,et304383/passbolt_api,petteyg/cakephp,garethellis36/cakephp,jeffblack360/cakephp,tenkoma/cakephp,burriko/cakephp,timhoeppner/cakephp,garethellis36/cakephp,dkarvounaris/cakephp,gmponos/cakephp,CakeDC/cakephp,gmponos/cakephp,tgr0ss/cakephp,akintoey/cakephp,kumamidori/cakephp,petteyg/cakephp,tgr0ss/cakephp,cakephp/cakephp,ADmad/cakephp,web-player/cakephp,dakota/cakephp,Balachan27/cakephp,tenkoma/cakephp,adopico/cakephp,tenkoma/cakephp,erikfig/cakephp,Balachan27/cakephp,eboominathan/cakephp,dakota/cakephp,CakeDC/cakephp,akintoey/cakephp,bravo-kernel/cakephp,thinkingmedia/cakephp,eryw/cakephp,mvdriel/cakephp,yinhe007/cakephp,mvdriel/cakephp,mvdriel/cakephp,elboletaire/cakephp,tenkoma/cakephp,gmponos/cakephp,yinhe007/cakephp,jjj117/cakephp,eboominathan/cakephp,burriko/cakephp,cakephp/cakephp,michaelze/cakephp,et304383/passbolt_api,cakephp/cakephp