adding flash message with validation errors, and redirect to sign_up
adding flash message with validation errors, and redirect to sign_up

jasnow/railsgoat,Yas3r/railsgoat,rietta/railsgoat,jasnow/railsgoat,cktricky/railsgoat,onemonth/onemonthsimple,Pratibha25/railsgoat-1,codeclimate-testing/railsgoat,codeclimate-testing/railsgoat,cschiewek/railsgoat,TheBlasfem/railsgoat,OWASP/railsgoat,jasnow/railsgoat,codeclimate-testing/railsgoat,cktricky/railsgoat,tcopeland/railsgoat,Yas3r/railsgoat,jasnow/railsgoat,OWASP/railsgoat,cktricky/railsgoat,TheBlasfem/railsgoat,Yas3r/railsgoat,OWASP/railsgoat,cschiewek/railsgoat,codeclimate-testing/railsgoat,immunio/railsgoat,rietta/railsgoat,Pratibha25/railsgoat-1,OWASP/railsgoat,Pratibha25/railsgoat-1,Pratibha25/railsgoat-1,rietta/railsgoat,klamberth27/onemonthsimple,immunio/railsgoat,immunio/railsgoat,cschiewek/railsgoat,tcopeland/railsgoat,tcopeland/railsgoat,immunio/railsgoat,TheBlasfem/railsgoat,onemonth/onemonthsimple,tcopeland/railsgoat,TheBlasfem/railsgoat,onemonth/onemonthsimple,klamberth27/onemonthsimple,onemonth/onemonthsimple,cktricky/railsgoat,klamberth27/onemonthsimple,Yas3r/railsgoat,cschiewek/railsgoat,rietta/railsgoat,tcopeland/railsgoat