huge sync with internal version

examples/python/integer_programming.py

@@ -1,4 +1,4 @@
-# Copyright 2010-2012 Google
+# Copyright 2010-2013 Google
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -10,9 +10,11 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+#
 
 """Integer programming examples that show how to use the APIs."""
 
+
 from google.apputils import app
 
 from linear_solver import pywraplp