Statefields integrated with regular fields + python bindings
Fields, StateFields and FieldCollections now accessible to Python
closes T2090
Summary:
harmonised statefields with fields in fieldcollections
in the middle of adding polymorphic getters to statefields for python
Polymorphic getters compile
Adding Python bindings to fields and collections
statefield integration, fielcollection-pybind (tests incomplete)
statefield integrated with regular fields, wrapped in python
Fix for old compilers
Older compilers (debian stable) had problems with templated member
functions of members of test fixtures (tests/test_field_collections_3.cc).
Fixed name clash
Test Plan: Jenkins passes
Reviewers: afalsafi, pastewka
Differential Revision: https://c4science.ch/D190