-) created a .profile at the root of the docker image - seems the new nvm script requires that.
-) installing simplejson and mako python packages, for the sanity check.
-) calling prepare_travis.sh in order to try and download precompiled packages for openssl and protobuf.
-) using the new "config" axis.
-) improved the output of prepare_travis.sh.

Which includes its propagation to grpc_ioreq and validation mechanisms for checking that only known bits are set ot in).
Also added an internal flag (GRPC_WRITE_INTERNAL_COMPRESS) mask for its use in signaling compressed messages.

regularly.
Also, convert qps_test to test, from benchmark

regularly.
Also, convert qps_test to test, from benchmark

Set up Node, Python, and Ruby environment in Jenkins slave. Made other minor changes to make those work

Currently the binaries are built manually which will be automatd in the future.

Currently the build is manual but will be automated over time