Added a manipulators field to MPAs to store active manipulators. Added active_manipulators property which applies some logic and error checking to that field. the save() method, which calls apply_manipulators, will now automatically apply manipulators according to saved state.
Added a manipulators field to MPAs to store active manipulators. Added active_manipulators property which applies some logic and error checking to that field. the save() method, which calls apply_manipulators, will now automatically apply manipulators according to saved state.

--HG--
branch : feature_optional_manipulators

underbluewaters/marinemap,underbluewaters/marinemap,underbluewaters/marinemap