Update C++ section of contributing guide and include .clang-format#90

Merged

arcondello merged 8 commits intodwavesystems:masterfrom shpface:master

Oct 26, 2020

+21-46

Commits on Sep 9, 2020

Update C++ section of CONTRIBUTING.rst
shpface
authored
Add .clang-format file CONTRIBUTING.rst refers to
Stephen Face
committed
Add trailing newline to .clang-format
Stephen Face
committed
Remove ObjC from .clang-format
shpface
authored

Commits on Sep 10, 2020

Address comments on CONTRIBUTING
shpface
authored

Commits on Oct 26, 2020