Added js comprobation for the presence of an image before updating the avatar
Added js comprobation for the presence of an image before updating the avatar

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