Minor fixes to python scripts by pycodestyle

scripts/releaseNotes.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+from __future__ import print_function
+
 import os
 import re
 import urllib2
@@ -41,7 +43,6 @@ for line in lines:
         pass
     elif line.startswith( "Date:"):
         dates.append( line[5:].lstrip() )
-        pass
     elif line == "" and prevLine == "":
         pass
     else:
@@ -58,7 +59,7 @@ for line in lines:
         else:
             messages.append( line2 )
 
-print "All changes between {0} and {1}:\n".format( dates[-1], dates[0] )
+print("All changes between {0} and {1}:\n".format( dates[-1], dates[0] ))
 
 for line in messages:
-    print line
+    print(line)