Remove development URLs from main URL file

Move the development URL definitions for Rosetta and Debug toolbar
to a separate URL file. Convert the single urls.py to a module to
allow multiple URL files to be used.

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

mayan/urls/development.py

@@ -0,0 +1,26 @@
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.conf.urls import include, url
+
+from .base import *  # NOQA
+
+if 'rosetta' in settings.INSTALLED_APPS:
+    try:
+        import rosetta  # NOQA
+    except ImportError:
+        pass
+    else:
+        urlpatterns += [  # NOQA
+            url(r'^rosetta/', include('rosetta.urls'), name='rosetta')
+        ]
+
+if 'debug_toolbar' in settings.INSTALLED_APPS:
+    try:
+        import debug_toolbar
+    except ImportError:
+        pass
+    else:
+        urlpatterns += [  # NOQA
+            url(r'^__debug__/', include(debug_toolbar.urls))
+        ]