Merge pull request #1421 from epicwhale/update-django-1.11.8-to-2.0

Upgrade Django to 2.0

{{cookiecutter.project_slug}}/requirements/base.txt

@@ -6,7 +6,7 @@ wheel==0.30.0
 
 
 # Conservative Django
-django==1.11.10 # pyup: <2.0
+django==2.0 # pyup: < 2.1
 
 # Configuration
 django-environ==0.4.4

{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/migrations/0001_initial.py

@@ -22,7 +22,7 @@ class Migration(migrations.Migration):
                 ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
                 ('username', models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username')),
                 ('first_name', models.CharField(blank=True, max_length=30, verbose_name='first name')),
-                ('last_name', models.CharField(blank=True, max_length=30, verbose_name='last name')),
+                ('last_name', models.CharField(blank=True, max_length=150, verbose_name='last name')),
                 ('email', models.EmailField(blank=True, max_length=254, verbose_name='email address')),
                 ('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')),
                 ('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')),

{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/urls.py

@@ -2,6 +2,7 @@ from django.conf.urls import url
 
 from . import views
 
+app_name = 'users'
 urlpatterns = [
     url(
         regex=r'^$',