Write compact restart files #8021

Job	Run time
Build SU2 (BaseMPI)	9m 25s
Build SU2 (ReverseMPI)	7m 54s
Build SU2 (ForwardMPI)	7m 9s
Build SU2 (BaseNoMPI)	5m 19s
Build SU2 (ReverseNoMPI)	7m 24s
Build SU2 (ForwardNoMPI)	6m 8s
Build SU2 (BaseOMP)	4m 41s
Build SU2 (ReverseOMP)	7m 33s
Build SU2 (ForwardOMP)	5m 45s
Build SU2 (asan) (BaseNoMPI-asan)	9m 56s
Build SU2 (tsan) (BaseOMP-tsan)	7m 14s
Build SU2 (asan) (ReverseNoMPI-asan)	18m 45s
Build SU2 (tsan) (ReverseOMP-tsan)	12m 9s
Regression Tests	0s
Unit Tests	0s
Thread Sanitizer Tests	0s
Address Sanitizer Tests	0s
	1h 49m 22s

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