Source code refactoring. Extracted common functionality in cpp_helpers.cc and python/python_generator.cc
Fixed bugs
Reverted changes to cpp_helpers.cc and made code reviews to python_geenerator.cc
Returned print_indent and print_outdent back to printservicestub and printserviceclass in python generator
Reverting the space at the end
Reverting the space at the end for both files changed
Merge pull request #128 from krishnanm86/master

Source code refactoring. Extracted common functionality in cpp_helpers.c...