PyMFEM post 4.8 ToDo

[sshiraiwa]

ToDo list after 4.8 release

• [x] Check Collab. (@justinlaughlin) (https://github.com/GLVis/pyglvis/pull/55, https://github.com/mfem/PyMFEM/pull/296/files)
• [x] Added PyMFEM 4.8 release in MFEM web page news line (@justinlaughlin) (https://github.com/mfem/web/pull/340)
• [ ] add binary release for MacOSX ?
• [ ] Address issue in PyNonlinearFormIntegrator (https://github.com/mfem/PyMFEM/issues/298)
• [x] integrator.i (https://github.com/mfem/PyMFEM/pull/297)
• [ ] import_array() -> import_array(-1) (https://github.com/mfem/PyMFEM/pull/300)