THRIFT-2852 Better Open/IsOpen/Close behavior for StreamTransport.
Client: Go
Patch: Chi Vinh Le <cvl@chinet.info>

This closes #285
THRIFT-2853 Adjust comments that doesn't apply anymore because of THRIFT-2852
Client: Go
Patch: Chi Vinh Le <cvl@chinet.info> & Jens Geyer

This closes #286