Revamp config parsing and imports

Brings sanity to the passing of the config variable around the various
submodules for use in the ZKConnection decorator.

api-daemon/pvcapid/ova.py

@@ -30,13 +30,13 @@ import lxml.etree
 
 from werkzeug.formparser import parse_form_data
 
+from pvcapid.Daemon import config
+
 import daemon_lib.common as pvc_common
 import daemon_lib.ceph as pvc_ceph
 
 import pvcapid.provisioner as provisioner
 
-config = None  # Set in this namespace by flaskapi
-
 
 #
 # Common functions