v2.1

Update verified to work with SAL 3.9 RPM

v2.0

This release updates many services and includes fixes for many services including:

Unified, secure credential loading for RabbitMQ usage.
Fixed RabbitMQ connectivity issues where connections were dropped after idle time.
Enhanced configuration loading, with user overrides for debugging.
Uniform log file location.
Fixed date/time representation to current time.
PIKA publishers are no longer shared between multiple threads.
Fixed, tested and set upgrade path for third party python services.
YAML loading now uses safe_load().
Fixed scoreboard initialization.
Services no longer run at 100% CPU utilization.
Python services perform orderly shutdown on SIGINT.
Refactored services to use common base class.
Improved build system.
Refactored source code tree to align it with DM standard.