[WIP] Imbedded Laplace Approximation #4480

Job	Run time
prim and rev tests	2h 53m 16s
fwd tests and non-fun mix tests	1h 9m 52s
mix/fun tests 2	1h 54m 46s
mix/fun tests 1	2h 57m 36s
	8h 55m 30s

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