TMSS-687: precalculation service created. Also added in tmss_test_environment

SAS/TMSS/backend/services/CMakeLists.txt

...S/backend/services/precalculations_service/CMakeLists.txt

...ckend/services/precalculations_service/bin/CMakeLists.txt

.../precalculations_service/bin/tmss_precalculations_service

...calculations_service/bin/tmss_precalculations_service.ini

...ckend/services/precalculations_service/lib/CMakeLists.txt

...es/precalculations_service/lib/precalculations_service.py

...kend/services/precalculations_service/test/CMakeLists.txt

...precalculations_service/test/t_precalculations_service.py

...recalculations_service/test/t_precalculations_service.run

...precalculations_service/test/t_precalculations_service.sh

SAS/TMSS/backend/src/tmss/tmssapp/conversions.py

SAS/TMSS/backend/src/tmss/tmssapp/populate.py

SAS/TMSS/backend/test/test_utils.py