Added files to the node package

Remove cpu.h which is no longer a thing

Jayantkolhe patch 2 - Many documentation updates.

Add a src/python/README.md.

Mac build is now ready

Fix a bug in Makefile where cpp_plugin name hadn't been updated yet

Grpc fix grpc gemspec

was used.

Fix C# readme

Fixing sprintf and a few other things.

C# preparations for going public

Rename base/interfaces_test to base/interfaces_test_case.

Fixed readme

One-line fix for namespace bug

With this change the Python codebase now conforms to an
"if it ends with _test.py then it is an executable test"
rule.

signs don't match)