Do not require json (for python code gen).
Do not require json (for python code gen).

git-svn-id: 397be6d5b34b040010577acc149a81bea378be26@146 1754e6c4-832e-0410-bb55-0fb906f63d99

kanzure/ctypesgen,kanzure/ctypesgen,davidjamesca/ctypesgen,kanzure/ctypesgen