HRCPP-133 Reverting socket::read retry changes

https://issues.jboss.org/browse/HRCPP-133

The retry is causing the socket timeout contract to fail.
Modified the HotRodClientException constructor to set the cause to a
SocketTimeoutException, so that SocketTimeoutErrorTest passes
HRCPP-138: Fix two Python script issues

Use the logging module in probe_port.py, and check for 32-bit JVM in
server_ctl.py.