18938 Removed default args from start()

This was causing errors with the addition of the logfile arg.

finagle/setup.py

@@ -4,7 +4,7 @@ import sys
 import time
 import os
 
-def start(args=None, logfile):
+def start(args, logfile):
 
 
     if os.name == 'nt':

spray/setup.py

@@ -4,7 +4,7 @@ import sys
 import time
 import os
 
-def start(args=None, logfile):
+def start(args, logfile):
   if os.name == 'nt':
     subprocess.check_call('"..\\sbt\\sbt.bat" assembly', shell=True, cwd="spray")
   else: