[WIP] Preconditioning for multicomponent flows #8325

Job	Run time
Build SU2 (tsan) (BaseOMP-tsan)	11m 56s
Build SU2 (tsan) (ReverseOMP-tsan)	27m 17s
Build SU2 (BaseMPI)	13m 4s
Build SU2 (ReverseMPI)	14m 28s
Build SU2 (ForwardMPI)	12m 8s
Build SU2 (BaseNoMPI)	7m 41s
Build SU2 (ReverseNoMPI)	12m 8s
Build SU2 (ForwardNoMPI)	10m 0s
Build SU2 (BaseOMP)	7m 48s
Build SU2 (ReverseOMP)	15m 21s
Build SU2 (ForwardOMP)	10m 28s
Build SU2 (asan) (BaseNoMPI-asan)	15m 37s
Build SU2 (asan) (ReverseNoMPI-asan)	43m 59s
Unit Tests (test_driver)	1m 29s
Regression Tests (vandv.py)	1m 51s
Unit Tests (test_driver_AD)	52s
Regression Tests (tutorials.py)	6m 5s
Unit Tests (test_driver_DD)	1m 31s
Regression Tests (parallel_regression.py)	13m 28s
Regression Tests (parallel_regression_AD.py)	9m 16s
Regression Tests (serial_regression.py)	15m 40s
Regression Tests (serial_regression_AD.py)	5m 52s
Regression Tests (hybrid_regression.py)	11m 18s
Regression Tests (hybrid_regression_AD.py)	3m 57s
Thread Sanitizer Tests (hybrid_regression.py)	26m 19s
Thread Sanitizer Tests (hybrid_regression_AD.py)	11m 1s
Address Sanitizer Tests (serial_regression.py)	14m 45s
Address Sanitizer Tests (serial_regression_AD.py)	6m 28s
	5h 31m 47s

Provide feedback