Update docker creation script to use the full boot disk size

Added cancel_after_first_response interop test

Updated PHP metadata representation to be consistent with Node

Switched to binding servers to port 0 in tests

Fixing tsan errors in OpenSSL (#319)

- automates the disk partitioning described in
  https://cloud.google.com/compute/docs/disks/persistent-disks#repartitionrootpd

Removes an unnecessary semi-colon

Have cpu_linux.c define _GNU_SOURCE at the beginning of the file

Fixing potential hitch in iomgr shutdown.

Feature test macros need to be defined before including any other
headers.

added grpc extension library for C#

The background_callback_executor may sit on the condition as well. If we're not broadcasting the condition, it may eat the condition signal, and starve the shutdown sequence of it.

Need project_id from argument to run the client correctly.

- Added cross-platform implementation of gpr_thd_currentid();
- OpenSSL still shows some TSAN errors on OPENSSL_cleanse which is
  inherently not thread-safe but this should not matter:
  see
  http://stackoverflow.com/questions/26433772/why-does-openssl-cleanse-look-so-complex-and-thread-unsafe

Remove duplicated target tips_client defintion.

Add README

Fixed errors in Node test running

Implement full logic of publish and subscribe