Common app: Move HOME_VIEW setting

The HOME_VIEW setting is not a Django setting but a setting from the
common app. Move the HOME_VIEW to the COMMON namespace and rename it
to COMMON_HOME_VIEW.

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

mayan/apps/common/classes.py

@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 import hashlib
 
 from django.apps import apps
-from django.conf import settings
 from django.db import models
 from django.template import loader
 from django.template.response import TemplateResponse
@@ -11,6 +10,8 @@ from django.urls import reverse
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.translation import ugettext
 
+from .settings import setting_home_view
+
 
 @python_2_unicode_compatible
 class Collection(object):
@@ -385,7 +386,7 @@ class Template(object):
 
     def render(self, request):
         context = {
-            'home_view': settings.HOME_VIEW,
+            'home_view': setting_home_view.value,
         }
         result = TemplateResponse(
             request=request,