THRIFT-847 Test Framework harmonization across all languages

py-py, py-java, java-py, cpp-py, py-cpp, nodejs-py, py-nodejs tests added with
py_protocols="binary compact json accel"
py_transports="buffered"
py_sockets="ip",
test.sh refactored so that new protocols, transports and sockets can be easily added.

Patch: Chamila Dilshan Wijayarathna