Merge pull request #542 from JoshuaLampert/fix-recursivecopy #11

Job	Run time
SciMLBase.jl/Core/1	8m 15s
DiffEqBase.jl/Core/1	5m 25s
DiffEqSensitivity.jl/Core/1	35m 4s
DiffEqBase.jl/Downstream2/1	39m 2s
SciMLSensitivity.jl/Core3/1	1h 20m 18s
OrdinaryDiffEq.jl/Interface/1	58m 24s
SciMLSensitivity.jl/Core5/1	6h 5m 0s
LabelledArrays.jl/RecursiveArrayTools/1	8m 4s
DiffEqBase.jl/Downstream/1	33m 26s
OrdinaryDiffEq.jl/Core/1	14m 27s
SciMLSensitivity.jl/Core4/1	33m 48s
SciMLSensitivity.jl/Core6/1	1h 0m 28s
DelayDiffEq.jl/Interface/1	20m 29s
SciMLSensitivity.jl/Core1/1	1h 7m 17s
SciMLSensitivity.jl/Core2/1	1h 5m 33s
	14h 55m 0s

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