Updates to import statements:

- Import importlib, os, and sys to each python script.
 - Append "lanforge-scripts" root directory to the system path, allowing each script to be called from an antecedent directory. e.g.
if 'lanforge-scripts' not in sys.path:
    sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../../../")))
 - All statements of the form 'from <module> import <class>' replace with:
<module> = importlib.import_module("lanforge-scripts.<directory>.<module>")
<class> = <module>.<class>

py-json/multicast_profile.py

@@ -1,9 +1,16 @@
-
 #!/usr/bin/env python3
-from LANforge.lfcli_base import LFCliBase
+import sys
+import os
+import importlib
 import pprint
 from pprint import pprint
 
+if 'lanforge-scripts' not in sys.path:
+    sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../../")))
+
+lfcli_base = importlib.import_module("lanforge-scripts.py-json.LANforge.lfcli_base")
+LFCliBase = lfcli_base.LFCliBase
+
 
 class MULTICASTProfile(LFCliBase):
     def __init__(self, lfclient_host, lfclient_port, local_realm,