move non-essential scripts/tools to separate folder

Ccs/convert_ssf.py → Ccs/tools/convert_ssf.py

 #!/usr/bin/env python3
 
 import sys
+sys.path.insert(0, '..')
 
 from database.tm_db import scoped_session_maker
 

Ccs/hvs_spw_gw_router.py → Ccs/tools/hvs_spw_gw_router.py

@@ -5,6 +5,8 @@ Routing packets from and to HVS SpW gateway
 """
 
 import sys
+sys.path.insert(0, '..')
+
 from ccs_function_lib import setup_gw_spw_routing
 
 if __name__ == "__main__":

Ccs/tm_converters.py → Ccs/tools/tm_converters.py

 #! /usr/bin/env python3
 
 import io
-import struct
+import sys
+sys.path.insert(0, '..')
+
 from database.tm_db import connect_to_db
 
 dbcon = connect_to_db()