Kafka dispatcher module backbone

Kafka dispatcher module backbone

Patch set 2: Creates a Python-adapter dispatching HTTP/HTTPS requests to a Kafka broker using kafka-python library.
Patch set 3: Develops a consumer capable of deserializing JSON messages. Clean up redundant functions and parameters.
Patch set 4: Develops a feature that publishes and consumes (to/from) the Kafka cluster in two-way synch.
Patch set 5: Develops unit tests cases.
Patch set 6: Develops a feature capable of handling requestid sent in headers for error testing.
Patch set 7: Develops asynch error test cases.
Patch set 8: Develops configurable look-up talbe that maps policy-type to kafka-topic. Supports multi topic including unit tests cases with error based.
Patch set 9: Develops publish-consume kafka message for get-policy-status operation. Enriches unit test cases.
Patch set 10: Validate open API yaml and fixes review.
Patch set 11: Develops an actual kafka response processing including unit test-cases with error based.
Patch set 12: Develops configurable response topic to be consumed from, apply changes to policytypetotopicmapping API. Adds unit test case.
Patch set 13: Plugs in kafka dispatcher module to A1 Sim to realize e2e sequence.
Patch set 14: Develops error testing script in which timeout value is being parametric.
Patch set 15: Calculates poll cycle treshold and develops more validation on time out param.

Issue-ID: NONRTRIC-757
Change-Id: I9bd257691d8a50e81492c55a5ec17a4409d9da6c
Signed-off-by: halil.cakal <halil.cakal@est.tech>