Merge pull request #797 from jeffmauldin/conduit_json_corruption_fix #1702

Job	Run time
build-deps (mpi, 4.9.3)	39s
build-deps (clang, 4.9.3)	39s
build-deps (gnu, 4.9.3)	33s
Use modern CMake configure of netCDF package	6m 31s
Debug serial build	3m 59s
Debug parallel build	22m 58s
	35m 19s

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