Add support to test agains Oracle via Docker.

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

mayan/settings/testing/docker/db_oracle.py

@@ -0,0 +1,14 @@
+from __future__ import unicode_literals
+
+from .base import *  # NOQA
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.oracle',
+        'NAME': 'xe',
+        'USER': 'system',
+        'HOST': '127.0.0.1',
+        'PORT': '49161',
+        'PASSWORD': 'oracle',
+    }
+}