Add deprecated flag to methods that are removed in 3.0.
Add deprecated flag to methods that are removed in 3.0.

A few methods in Controller were not marked as deprecated, but already
removed in 3.0. Shore up that difference.

Refs #3105

ionas/cakephp,CakeDC/cakephp,tgr0ss/cakephp,eryw/cakephp,web-player/cakephp,mvdriel/cakephp,jerems02/cakephp,dakota/cakephp,thinkingmedia/cakephp,cakephp/cakephp,Phillaf/cakephp,justinyost/cakephp,jerems02/cakephp,kumamidori/cakephp,erikfig/cakephp,cakephp-fr/cakephp,davidyell/cakephp,jeffblack360/cakephp,tisu2tisu/cakephp,burriko/cakephp,tisu2tisu/cakephp,CakeDC/cakephp,eryw/cakephp,ADmad/cakephp,cakephp/cakephp,CVO-Technologies/cakephp,dkarvounaris/cakephp,nrother/cakephp,bravo-kernel/cakephp,akintoey/cakephp,adopico/cakephp,garethellis36/cakephp,tenkoma/cakephp,akintoey/cakephp,elboletaire/cakephp,ADmad/cakephp,ndm2/cakephp,CakeDC/cakephp,elboletaire/cakephp,Balachan27/cakephp,ADmad/cakephp,et304383/passbolt_api,web-player/cakephp,eboominathan/cakephp,michaelze/cakephp,et304383/passbolt_api,jeffblack360/cakephp,Balachan27/cakephp,cakephp/cakephp,justinyost/cakephp,CVO-Technologies/cakephp,adopico/cakephp,petteyg/cakephp,tenkoma/cakephp,justinyost/cakephp,pbaire/cakephp,jeffblack360/cakephp,erikfig/cakephp,berrygoudswaard/cakephp,yinhe007/cakephp,tgr0ss/cakephp,HavokInspiration/cakephp,et304383/passbolt_api,mvdriel/cakephp,akintoey/cakephp,garethellis36/cakephp,eboominathan/cakephp,nrother/cakephp,yinhe007/cakephp,kumamidori/cakephp,dakota/cakephp,timhoeppner/cakephp,CakeDC/cakephp,nrother/cakephp,jerems02/cakephp,cakephp-fr/cakephp,thinkingmedia/cakephp,elboletaire/cakephp,michaelze/cakephp,pbaire/cakephp,berrygoudswaard/cakephp,bravo-kernel/cakephp,jjj117/cakephp,ndm2/cakephp,Phillaf/cakephp,jjj117/cakephp,dkarvounaris/cakephp,timhoeppner/cakephp,timhoeppner/cakephp,eryw/cakephp,bravo-kernel/cakephp,tenkoma/cakephp,berrygoudswaard/cakephp,dakota/cakephp,mvdriel/cakephp,pbaire/cakephp,tenkoma/cakephp,jjj117/cakephp,cakephp/cakephp,et304383/passbolt_api,HavokInspiration/cakephp,tisu2tisu/cakephp,mvdriel/cakephp,tgr0ss/cakephp,petteyg/cakephp,HavokInspiration/cakephp,ionas/cakephp,gmponos/cakephp,petteyg/cakephp,Phillaf/cakephp,dakota/cakephp,ndm2/cakephp,burriko/cakephp,Balachan27/cakephp,erikfig/cakephp,ndm2/cakephp,khoimt/cakephp-study,gmponos/cakephp,ionas/cakephp,cakephp-fr/cakephp,et304383/passbolt_api,garethellis36/cakephp,davidyell/cakephp,khoimt/cakephp-study,khoimt/cakephp-study,dkarvounaris/cakephp,eboominathan/cakephp,web-player/cakephp,davidyell/cakephp,petteyg/cakephp,garethellis36/cakephp,CVO-Technologies/cakephp,kumamidori/cakephp,thinkingmedia/cakephp,michaelze/cakephp,adopico/cakephp,yinhe007/cakephp,ADmad/cakephp,burriko/cakephp,gmponos/cakephp