Add before filter to warn users that are not already authenticated
Add before filter to warn users that are not already authenticated

mconftec/mconf-web-mytruecloud,m-narayan/agora-conf,m-narayan/agora-conf,mconftec/mconf-web-ufpe,mconftec/mconf-web-santacasa,ging/vcc,arrivu/web-conf,akratech/Akraconference,akratech/Akraconference,mconftec/mconf-web-ufpe,mconftec/mconf-web-santacasa,mconf/mconf-web,mconftec/mconf-web-mytruecloud,fbottin/mconf-web,ging/vcc,becueb/MconfWeb,fbottin/mconf-web,akratech/Akraconference,ging/vcc,mconf-rnp/mconf-web,arrivu/web-conf,arrivu/web-conf,m-narayan/agora-conf,mconftec/mconf-web-uergs,mconf-rnp/mconf-web,mconf-rnp/mconf-web,ging/vcc,becueb/MconfWeb,arrivu/web-conf,mconftec/mconf-web-santacasa,m-narayan/agora-conf,mconf-ufrgs/mconf-web,lfzawacki/mconf-web,mconf/mconf-web,akratech/Akraconference,becueb/MconfWeb,fbottin/mconf-web,mconftec/mconf-web-mytruecloud,mconf/mconf-web,becueb/MconfWeb,mconf-rnp/mconf-web,arrivu/web-conf,amreis/mconf-web,mconf-ufrgs/mconf-web,mconftec/mconf-web-uergs,mconf-ufrgs/mconf-web,m-narayan/agora-conf,mconftec/mconf-web-uergs,mconftec/mconf-web-cedia,lfzawacki/mconf-web,mconftec/mconf-web-santacasa,arrivu/web-conf,amreis/mconf-web,fbottin/mconf-web,mconftec/mconf-web-mytruecloud,amreis/mconf-web,ging/vcc,lfzawacki/mconf-web,ging/vcc,amreis/mconf-web,m-narayan/agora-conf,mconftec/mconf-web-cedia,mconftec/mconf-web-ufpe,mconf/mconf-web,ging/vcc,mconf-ufrgs/mconf-web,lfzawacki/mconf-web,arrivu/web-conf,m-narayan/agora-conf,mconftec/mconf-web-cedia,mconftec/mconf-web-ufpe,mconftec/mconf-web-uergs