[AMQP Python] Message settlement

[yunhaoling]

Issue

implement the amqp protocol section 3.4, This is the feature required by service bus received message settlement (complete/defer/deadletter/abandon)

references

• uamqp implementation details:
  • python
    • message.py: https://github.com/Azure/azure-uamqp-python/blob/master/uamqp/message.py#L484-L573
    • receiver.py: https://github.com/Azure/azure-uamqp-python/blob/master/uamqp/receiver.py#L190-L219
  • cython
    • message_receiver.pyx: https://github.com/Azure/azure-uamqp-python/blob/master/src/message_receiver.pyx#L73-L109
    • c_message_receiver.pxd: https://github.com/Azure/azure-uamqp-python/blob/master/src/vendor/inc/c_message_receiver.pxd#L33
  • c
    • message_receiver.c: https://github.com/Azure/azure-uamqp-python/blob/master/src/vendor/azure-uamqp-c/src/message_receiver.c#L537
    • link.c https://github.com/Azure/azure-uamqp-python/blob/master/src/vendor/azure-uamqp-c/src/link.c#L1707
    • link.c https://github.com/Azure/azure-uamqp-python/blob/master/src/vendor/azure-uamqp-c/src/link.c#L161

[kashifkhan]

done with release of service bus 7.10.0