Update docs for TimeHelper
Update docs for TimeHelper

Refs #6137

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