Improve username field
Improve username field

There's shouldn't be any reason to spellcheck, autocapitalize, or autocorrect a username.
pierrecabriere/Greencharge,nReality/SUGSA-ScrumGathering-App2016,kumarnavinrai/finalmcu,ericel/weytindey,sinholic/aero-flyer,nReality/SUGSA-ScrumGathering-App2016,laodice/ionic-conference-app-session2,abdolmajidazad/neveshtak,driftyco/ionic-conference-app,driftyco/ionic-conference-app,ericel/weytindey,subsolo/ITHC,fmsouza/mangiare,Beslinda/catalogIonicApp,pierrecabriere/Greencharge,TobiasSchaeuble/HMAD,tommy-boy/AMZNDEALS,kumarnavinrai/finalmcu,abdolmajidazad/neveshtak,laodice/ionic-conference-app-session2,nReality/SUGSA-ScrumGathering-App2016,nReality/SUGSA-ScrumGathering-App2016,nReality/SUGSA-ScrumGathering-App2016,kumarnavinrai/finalmcu,nReality/SUGSA-ScrumGathering-App2016,TobiasSchaeuble/HMAD,minhlong/NamHoa-Ionic,fmsouza/mangiare,sinholic/aero-flyer,pierrecabriere/Greencharge,subsolo/ITHC,ericel/weytindey,minhlong/NamHoa-Ionic,tommy-boy/AMZNDEALS,fmsouza/mangiare,sinholic/aero-flyer,tommy-boy/AMZNDEALS,nReality/SUGSA-ScrumGathering-App2016,abdolmajidazad/neveshtak,TobiasSchaeuble/HMAD,subsolo/ITHC,francarmona/ionice-contryside-events-app,francarmona/ionice-contryside-events-app,francarmona/ionice-contryside-events-app,Beslinda/catalogIonicApp,fmsouza/mangiare,laodice/ionic-conference-app-session2,minhlong/NamHoa-Ionic,Beslinda/catalogIonicApp,driftyco/ionic-conference-app