Simplify Auth flash to be consistent with default Flash error type.
Simplify Auth flash to be consistent with default Flash error type.

dakota/cakephp,ndm2/cakephp,petteyg/cakephp,petteyg/cakephp,ndm2/cakephp,davidyell/cakephp,petteyg/cakephp,mvdriel/cakephp,ADmad/cakephp,dakota/cakephp,berrygoudswaard/cakephp,CakeDC/cakephp,tenkoma/cakephp,berrygoudswaard/cakephp,tenkoma/cakephp,ADmad/cakephp,garethellis36/cakephp,davidyell/cakephp,davidyell/cakephp,ADmad/cakephp,cakephp/cakephp,cakephp/cakephp,CakeDC/cakephp,tenkoma/cakephp,mvdriel/cakephp,mvdriel/cakephp,dakota/cakephp,cakephp/cakephp,berrygoudswaard/cakephp,ndm2/cakephp,garethellis36/cakephp,mvdriel/cakephp,garethellis36/cakephp,dakota/cakephp,garethellis36/cakephp,CakeDC/cakephp,CakeDC/cakephp,cakephp/cakephp,ndm2/cakephp,petteyg/cakephp,ADmad/cakephp,tenkoma/cakephp