Make compatible with Django < 1.10

Author: mfcovington

project_home_tags/templatetags/project_home.py

@@ -1,10 +1,15 @@
 from functools import wraps
 
 from django import template
+from django import VERSION as DJANGO_VERSION
 from django.conf import settings
-from django.urls import reverse
 from django.utils.html import format_html
 
+if DJANGO_VERSION < (1, 10):
+    from django.core.urlresolvers import reverse
+else:
+    from django.urls import reverse
+
 
 register = template.Library()
 home_namespace = getattr(settings, 'PROJECT_HOME_NAMESPACE', None)