Add custom script_prefix aware resolve function and use it for the

document page navigation views. Fixes issue with Mayan installed
as a sub URL app. Fixes GitLab issue #383. Thanks to @gsteixei
for the issue and investigation.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/common/utils.py

@@ -8,6 +8,8 @@ import types
 import xmlrpclib
 
 from django.conf import settings
+from django.core.urlresolvers import resolve as django_resolve
+from django.urls.base import get_script_prefix
 from django.utils.datastructures import MultiValueDict
 from django.utils.http import urlquote as django_urlquote
 from django.utils.http import urlencode as django_urlencode
@@ -108,6 +110,11 @@ def mkstemp(*args, **kwargs):
     return tempfile.mkstemp(*args, **kwargs)
 
 
+def resolve(path, urlconf=None):
+    path = '/{}'.format(path.replace(get_script_prefix(), '', 1))
+    return django_resolve(path=path, urlconf=urlconf)
+
+
 def return_attrib(obj, attrib, arguments=None):
     try:
         if isinstance(attrib, types.FunctionType):