Azure UAMQP

Bug fix: WSIO.c on_ws_callback should not update certs if wsio_instance->trusted_ca is NULL
Default to consolelogger as logger
Added ability to turn on/off logging
fix av in teardown of message_sender/receiver
Fix issues when a link detach happens for a sender.
Adding fixes for uAMQP sample and unit tests related to WebSockets
Fix messagereceiver_destroy by calling messagereceiver_close
Various fixes in uampq, and connection deadline API
Adding explicit ERROR state for session, connection, link
One more fix to the ws sample for namespaced includes
Update uamqp to use namespacing for includes
Update header file pointers in CMakeLists
Introduce _setoption in modules which implement XIO interface.
Fix wrong calculation of how many bytes are needed for the transfer frame
Fix state problem during open, io callbacks, and logger