Switch to oslo_log

Solum dashboard is currently using python logging module to
implement logging functionality.
This patch made a switch to oslo.log(logging for openstack projects)

Reference:-
http://docs.openstack.org/developer/oslo.log

Change-Id: I73cae3ac8982f8e328387f867699f051c3097844

requirements.txt

@@ -9,6 +9,7 @@ django-openstack-auth>=2.4.0 # Apache-2.0
 eventlet!=0.18.3,>=0.18.2 # MIT
 iso8601>=0.1.11 # MIT
 netaddr!=0.7.16,>=0.7.13 # BSD
+oslo.log>=3.11.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 python-solumclient>=1.2.7 # Apache-2.0
 pytz>=2013.6 # MIT

solumdashboard/api/client.py

@@ -13,14 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
-
 from horizon import exceptions
 
 from solumclient import client as api_client
 
 from openstack_dashboard.api import base
 from openstack_dashboard.api import keystone
+from oslo_log import log as logging
 
 LOG = logging.getLogger(__name__)
 

solumdashboard/applications/forms.py

@@ -13,14 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
-
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _
 from horizon import exceptions
 from horizon import forms
 from horizon import messages
 
+from oslo_log import log as logging
 from solumclient.common import yamlutils
 from solumclient.v1 import workflow as cli_wf
 

solumdashboard/languagepacks/forms.py

@@ -14,7 +14,6 @@
 # limitations under the License.
 
 import json
-import logging
 
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _
@@ -23,6 +22,7 @@ from horizon import exceptions
 from horizon import forms
 from horizon import messages
 
+from oslo_log import log as logging
 from solumclient.common import yamlutils
 
 from solumdashboard.api.client import client as solumclient