allow controllers to be added by hooks
allow controllers to be added by hooks

- add controllers to sails.controllers in any hook.configure method and
  the controller definition will be loaded registered just as any bona
  fide controller would
- individual controllers can also be extended by hooks, by adding
  additional properties (actions) to a specific controller.

artBrown/sails,balderdashy/sails,boarderdav/sails,t2013anurag/sails,jianpingw/sails,leobudima/sails,antodoms/sails,vip-git/sails,tjwebb/sails,krishnaglick/sails,listepo/sails,jakutis/sails,yinhe007/sails,haavardw/sails,jenalgit/sails,dylannnn/sails,hellowin/sails,antoniopol06/sails,yangchuoxian/sails,alex-zhang/sails,scippio/sails,adrianha/sails,Hanifb/sails,saronwei/sails,sunnycmf/sails,wsaccaco/sails,calling/sails,konstantinzolotarev/sails,jianpingw/sails,tempbottle/sails,alexferreira/sails,zand3rs/sails,pmq20/sails,cazulu/sails,shaunstanislaus/sails,AnyPresence/sails,janladaking/sails,rlugojr/sails,vip-git/sails,hokkoo/sails,ctartist621/sails,winlolo/sails,Josebaseba/sails,harrissoerja/sails,hokkoo/sails,Benew/sails,apowers313/sails,youprofit/sails,rlugojr/sails,jsisaev1/sails,JumpLink/sails,Karnith/sails-for-gulp,prssn/sails,justsml/sails