Replacing print with print() to provide py 2/3 compatibility

This patch replaces print operator in python 2 with print() to provide py 2/3
compatibility.

Change-Id: Ic8854e5518834e2894e003bab80d6be525ac0be8

firstapp/samples/libcloud/durability.py

@@ -1,4 +1,5 @@
 # step-1
+from __future__ import print_function
 from libcloud.storage.types import Provider
 from libcloud.storage.providers import get_driver
 
@@ -36,7 +37,7 @@ print(objects)
 
 # step-6
 object = swift.get_object(container_name, object_name)
-print object
+print(object)
 
 # step-7
 import hashlib

tools/generatepot

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 import os, sys
 from xml2po import Main
@@ -59,7 +60,7 @@ def generateSinglePoT(folder):
             xml2po_main = Main(default_mode, operation, output, options)
             xml2po_main.current_mode = myDocbookXmlMode()
         except IOError:
-            print "Error: cannot open aFile %s for writing." % (output)
+            print("Error: cannot open aFile %s for writing." % (output))
             sys.exit(5)
         #print(xmlfiles)
         #print(">>>outout: %s ", output)