Extend SSL/TLS support to st2stream and st2api - plus move common API code into common library #5179

Job	Run time
Skip Duplicate Jobs Pre Job	4s
Self-check on Python 3.8 - Python 3.8	7m 28s
Unit Tests (chunk 1) - Python 3.8	6m 13s
Lint Checks (black, flake8, etc.) - Python 3.8	47s
Unit Tests (chunk 2) - Python 3.8	4m 15s
Compile (pip deps, pylint, etc.) - Python 3.8	3m 4s
Pack Tests - Python 3.8	1m 39s
Unit Tests (chunk 1) - Python 3.9	6m 18s
Integration Tests (chunk 1) - Python 3.8	3m 43s
Lint Checks (black, flake8, etc.) - Python 3.9	1m 0s
Unit Tests (chunk 2) - Python 3.9	4m 17s
Integration Tests (chunk 2) - Python 3.8	4m 39s
Compile (pip deps, pylint, etc.) - Python 3.9	3m 11s
Pack Tests - Python 3.9	1m 48s
Integration Tests (chunk 1) - Python 3.9	3m 42s
Integration Tests (chunk 2) - Python 3.9	4m 58s
Slack notification for failed master builds	5s
	57m 11s

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