Fixed registration step of first time setup. General improvements to settings and first time setup wizard.

app/YtManagerApp/views/forms/auth.py

@@ -0,0 +1,45 @@
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Submit
+from django import forms
+from django.contrib.auth.forms import AuthenticationForm, UserCreationForm
+from django.urls import reverse_lazy
+
+
+class ExtendedAuthenticationForm(AuthenticationForm):
+    remember_me = forms.BooleanField(label='Remember me', required=False, initial=False)
+
+    def clean(self):
+        remember_me = self.cleaned_data.get('remember_me')
+        if remember_me:
+            expiry = 3600 * 24 * 30
+        else:
+            expiry = 0
+        self.request.session.set_expiry(expiry)
+
+        return super().clean()
+
+
+class ExtendedUserCreationForm(UserCreationForm):
+    email = forms.EmailField(required=False,
+                             label='E-mail address',
+                             help_text='The e-mail address is optional, but it is the only way to recover a lost '
+                                       'password.')
+    first_name = forms.CharField(max_length=30, required=False,
+                                 label='First name')
+    last_name = forms.CharField(max_length=150, required=False,
+                                label='Last name')
+
+    form_action = reverse_lazy('register')
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.label_class = 'col-3'
+        self.helper.field_class = 'col-9'
+        self.helper.form_class = 'form-horizontal'
+        self.helper.form_method = 'post'
+        self.helper.form_action = self.form_action
+        self.helper.add_input(Submit('submit', 'register'))
+
+    class Meta(UserCreationForm.Meta):
+        fields = ['username', 'email', 'first_name', 'last_name']