Merge branch 'development' of gitlab.ub.uni-bielefeld.de:sfb1288inf/opaque into development

app/auth/forms.py

 from flask_wtf import FlaskForm
 from wtforms import StringField, PasswordField, BooleanField, SubmitField
-from wtforms.validators import DataRequired, Length, Email
+from wtforms.validators import DataRequired, Length, Email, Regexp, EqualTo
+from wtforms import ValidationError
+from ..models import User
 
 
 class LoginForm(FlaskForm):
@@ -11,6 +13,10 @@ class LoginForm(FlaskForm):
     submit = SubmitField('Log In')
 
 
+class RegistrationForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Length(1, 64), Email()])
+
+
 class PasswordResetRequestForm(FlaskForm):
     email = StringField('Email', validators=[DataRequired(), Length(1, 64),
                                              Email()])