Update version number to 2.2.0-RC1
Update version number to 2.2.0-RC1

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