Update MD_Types.f90 (only comments changed) #703

Job	Run time
build-postlib-release	13m 44s
build-all-debug	10m 21s
build-all-debug-single	4m 55s
build-drivers-release	8m 12s
build-test-uadriver-debug	2m 43s
rtest-module-drivers	4m 5s
rtest-modules-debug	7m 12s
build-interfaces-release	6m 31s
build-fastfarm-release	17m 16s
build-openfast-release	5m 36s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	2m 20s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	4m 2s
rtest-OF-5MW_Land_BD_DLL_WTurb	3m 16s
rtest-OF	8m 28s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	8m 34s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1m 15s
rtest-OF-linearization	3m 7s
rtest-interfaces	9m 46s
rtest-FF	2m 57s
	2h 4m 20s

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