Adds granularity support in OpenStack vim config

Adds global config class in core
Reorders common_consumer conditional blocks
Adds support for OS_DEFAULT_GRANULARITY env var
Modifies tests to support changes

Change-Id: I873b8d24814825bff6e628092942bf16fa5e2a03
Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>
diff --git a/osm_mon/test/OpenStack/test_notifier.py b/osm_mon/test/OpenStack/test_notifier.py
index 81ef2e8..0f96e71 100644
--- a/osm_mon/test/OpenStack/test_notifier.py
+++ b/osm_mon/test/OpenStack/test_notifier.py
@@ -22,19 +22,16 @@
 """Tests for all common OpenStack methods."""
 
 import json
-
 import unittest
-
 from BaseHTTPServer import BaseHTTPRequestHandler
 
 import mock
 
 from osm_mon.core.message_bus.producer import KafkaProducer
-
+from osm_mon.core.settings import Config
 from osm_mon.plugins.OpenStack.Aodh.alarming import Alarming
 from osm_mon.plugins.OpenStack.common import Common
 from osm_mon.plugins.OpenStack.response import OpenStack_Response
-from osm_mon.plugins.OpenStack.settings import Config
 
 # Mock data from post request
 post_data = json.dumps({"severity": "critical",