change singleton to global

Solenoid.py

@@ -1,5 +1,7 @@
 from networking.Networking import Networking
 from utils.util import normalizeName
+from __main__ import networking
+
 import logging
 
 
@@ -14,6 +16,6 @@ class Solenoid:
 
     def trigger(self):
         logging.info("Trigger solenoid with name " + self.name)
-        Networking().triggerSolenoid(self.name)
+        networking.triggerSolenoid(self.name)