Added django allauth registration model

Author: vaibhavsingh97

oshc/authentication/__init__.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class AuthenticationConfig(AppConfig):
+    name = 'authentication'

oshc/authentication/admin.py

@@ -0,0 +1,24 @@
+from django.contrib.auth import get_user_model
+
+
+class EmailLoginBackend(object):
+    '''
+    This class checks that the user can be authenticated via our backend and if it fails than normal authentication backend is used.
+    '''
+
+    def authenticate(self, username=None, password=None):
+        user_cls = get_user_model()
+        try:
+            user = user_cls.objects.get(email=username)
+            if user.check_password(password):
+                return user
+        except user_cls.DoesNotExist:
+            return None
+        return None
+        
+    def get_user(self, user_id):
+        user_cls = get_user_model()
+        try:
+            return user_cls.objects.get(pk=user_id)
+        except user_cls.DoesNotExist:
+            return None

oshc/authentication/apps.py

@@ -0,0 +1,7 @@
+from django.conf.urls import url, include
+from . import views
+
+urlpatterns = [
+    url(r'^accounts/', include('allauth.urls')),
+    url(r'^accounts/login/profile/', views.profile, name="profile")
+]

oshc/authentication/migrations/__init__.py

@@ -0,0 +1,5 @@
+from django.shortcuts import render
+
+
+def profile(request):
+    return render(request, "profile.html")