Added html_class to the error handler
Added html_class to the error handler

wilfriedE/gae-init,gae-init/gae-init-debug,jakedotio/gae-init,wodore/wodore-gae,gmist/1businka2,terradigital/gae-init,mdxs/gae-init,lipis/life-line,JoeyCodinja/INFO3180LAB3,mdxs/gae-init-babel,topless/gae-init-upload,lipis/life-line,gae-init/gae-init-upload,tkstman/lab5,topless/gae-init,tonyin/optionstg,gmist/fix-5studio,lovesoft/gae-init,lipis/hurry-app,lipis/github-stats,lipis/electron-crash-reporter,antotodd/lab5,gae-init/gae-init-debug,gmist/five-studio2,gmist/five-studio2,JoeyCodinja/INFO3180LAB3,lipis/gae-init,lipis/electron-crash-reporter,vanessa-bell/hd-kiosk-v2,jaja14/lab5,gmist/five-studio2,gae-init/gae-init-babel,topless/gae-init,lipis/gae-init,lipis/hurry-app,mdxs/gae-init,wilfriedE/gae-init,gmist/alice-box,dhstack/gae-init,gmist/nashi-5studio,terradigital/gae-init,vanessa-bell/hd-kiosk-v2,mdxs/gae-init-babel,wodore/wodore-gae,wodore/wodore-gae,d4rr3ll/gae-init-docker,lipis/gae-init,tiberiucorbu/av-website,gae-init/gae-init-docs,NeftaliYagua/gae-init,gmist/fix-5studio,gae-init/gae-init-babel,Kingclove/lab5info3180,gmist/ctm-5studio,gae-init/gae-init-docs,lovesoft/gae-init,tiberiucorbu/av-website,mdxs/gae-init,tkstman/lab5,jaja14/lab5,wilfriedE/gae-init,JoeyCodinja/INFO3180LAB3,mdxs/gae-init,jakedotio/gae-init,gmist/nashi-5studio,NeftaliYagua/gae-init,lipis/github-stats,CLOUGH/info3180-lab5,gmist/1businka2,d4rr3ll/gae-init-docker,georgekis/salary,topless/gae-init-upload,mdxs/gae-init-docs,antotodd/lab5,lipis/meet-notes,lipis/hurry-app,CLOUGH/info3180-lab5,lipis/the-smallest-creature,gmist/my-gae-init,gae-init/gae-init-debug,lipis/electron-crash-reporter,jakedotio/gae-init,jakedotio/gae-init,carylF/lab5,lipis/github-stats,georgekis/salary,lipis/github-stats,gae-init/gae-init,gae-init/gae-init-upload,tonyin/optionstg,gmist/my-gae-init,michals/hurry-app,gmist/five-studio2,terradigital/gae-init,dhstack/gae-init,gmist/fix-5studio,carylF/lab5,lipis/guestbook,lipis/the-smallest-creature,lipis/meet-notes,gae-init/gae-init-babel,gmist/nashi-5studio,gae-init/gae-init,georgekis/salary,NeftaliYagua/gae-init,michals/hurry-app,gae-init/gae-init,michals/hurry-app,gmist/my-gae-init-auth,gae-init/gae-init,chineyting/lab5-Info3180,lipis/life-line,d4rr3ll/gae-init-docker,gmist/ctm-5studio,gae-init/phonebook,Kingclove/lab5info3180,gmist/fix-5studio,gae-init/gae-init-docs,lovesoft/gae-init,dhstack/gae-init,gmist/alice-box,lipis/gae-init,wodore/wodore-gae,topless/gae-init,topless/gae-init-upload,vanessa-bell/hd-kiosk-v2,gmist/my-gae-init,topless/gae-init,gae-init/gae-init-upload,gae-init/gae-init-babel,lipis/meet-notes,gmist/ctm-5studio,gmist/ctm-5studio,lipis/the-smallest-creature,gmist/my-gae-init,tiberiucorbu/av-website,mdxs/gae-init-babel,chineyting/lab5-Info3180,gae-init/gae-init-docs,d4rr3ll/gae-init-docker,JoeyCodinja/INFO3180LAB3,gae-init/gae-init-upload,gmist/1businka2,gae-init/gae-init-debug,vanessa-bell/hd-kiosk-v2