Update version number to 4.0.0-RC1
Update version number to 4.0.0-RC1

ndm2/cakephp,cakephp/cakephp,ndm2/cakephp,ndm2/cakephp,ADmad/cakephp,ADmad/cakephp,cakephp/cakephp,CakeDC/cakephp,ADmad/cakephp,CakeDC/cakephp,CakeDC/cakephp,ADmad/cakephp,cakephp/cakephp,cakephp/cakephp,CakeDC/cakephp,ndm2/cakephp