[WIP] pywrapper - custom source terms for all solvers #8265

Job	Run time
Build SU2 (asan) (BaseNoMPI-asan)	15m 35s
Build SU2 (BaseMPI)	12m 48s
Build SU2 (ReverseMPI)	7m 1s
Build SU2 (asan) (ReverseNoMPI-asan)	14m 56s
Build SU2 (ForwardMPI)	3m 51s
Build SU2 (tsan) (BaseOMP-tsan)	12m 6s
Build SU2 (BaseNoMPI)	7m 54s
Build SU2 (ReverseNoMPI)	5m 40s
Build SU2 (tsan) (ReverseOMP-tsan)	11m 13s
Build SU2 (ForwardNoMPI)	4m 46s
Build SU2 (BaseOMP)	7m 45s
Build SU2 (ReverseOMP)	6m 1s
Build SU2 (ForwardOMP)	4m 46s
Thread Sanitizer Tests	0s
Unit Tests	0s
Regression Tests	0s
Address Sanitizer Tests	0s
	1h 54m 22s

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