prepare condformats_serialization_generate.py to be used by scram
fix typo in variable name, restructure
add option -p|--package to specify which package is to be processed, take everything after -- as cppflags (provided by scram)
Merge pull request #3365 from apfeiffer1/apSerCodeGenForScram

prepare condformats_serialization_generate.py to be used by scram