add missing imports

wcs/qommon/saml2.py

@@ -15,6 +15,7 @@
 # along with this program; if not, see <http://www.gnu.org/licenses/>.
 
 import os
+import httplib
 import urllib
 import urlparse
 import time

wcs/wf/register_comment.py

@@ -18,6 +18,7 @@ import cgi
 
 from qommon.form import *
 from qommon import ezt
+from qommon import get_logger
 
 from wcs.workflows import WorkflowStatusItem, register_item_class, template_on_formdata