Modified the field "user email" to read only on edit profile screen
Modified the field "user email" to read only on edit profile screen

Refs #1234

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