Grpc ruby wrapper fixes and test fixes

Fixed Node tests hanging at the end again

Adding commands to run cloud to prod tests

Adding 2 runners to run the test matrix

Node surface cancellation

Fixes markdown sytax errors

Remove clang-format tools

Add Node tests to run_tests.py and fix run_tests.py

Use of these tools is dangerous until such time as we can figure out a standardized clang-format version to use everywhere.

Node fix test hang

Remove more complicated sprintf usage from the libraries

Grpc tools docker pull java from GitHub

1) Add protection header macro, 2) remove some falgs with default values

Node remove implicit type coersion

2) remove some falgs with default values