Fix Posts#index, was failing because of cancan's load resource
Fix Posts#index, was failing because of cancan's load resource

mconftec/mconf-web-mytruecloud,mconf/mconf-web,mconftec/mconf-web-santacasa,fbottin/mconf-web,fbottin/mconf-web,mconf-ufrgs/mconf-web,mconftec/mconf-web-mytruecloud,mconftec/mconf-web-santacasa,amreis/mconf-web,becueb/MconfWeb,lfzawacki/mconf-web,lfzawacki/mconf-web,akratech/Akraconference,mconftec/mconf-web-ufpe,amreis/mconf-web,mconf-ufrgs/mconf-web,akratech/Akraconference,lfzawacki/mconf-web,amreis/mconf-web,becueb/MconfWeb,mconf-rnp/mconf-web,mconftec/mconf-web-uergs,lfzawacki/mconf-web,mconf-rnp/mconf-web,mconftec/mconf-web-mytruecloud,mconftec/mconf-web-uergs,mconftec/mconf-web-santacasa,akratech/Akraconference,mconf/mconf-web,fbottin/mconf-web,mconftec/mconf-web-ufpe,mconftec/mconf-web-cedia,mconftec/mconf-web-uergs,akratech/Akraconference,mconf-ufrgs/mconf-web,fbottin/mconf-web,mconf/mconf-web,becueb/MconfWeb,mconf-rnp/mconf-web,mconftec/mconf-web-santacasa,mconf-rnp/mconf-web,mconftec/mconf-web-mytruecloud,mconftec/mconf-web-cedia,mconftec/mconf-web-uergs,mconftec/mconf-web-ufpe,mconftec/mconf-web-ufpe,amreis/mconf-web,mconf/mconf-web,mconf-ufrgs/mconf-web,becueb/MconfWeb,mconftec/mconf-web-cedia