Merge pull request #1771 from andrew-platt/f/BD_RotRefFrame #2195

Job	Run time
build-postlib-release	16m 42s
build-drivers-release	8m 21s
build-all-debug	7m 47s
build-all-debug-single	5m 38s
build-test-uadriver-debug	2m 25s
rtest-modules-debug	6m 44s
rtest-module-drivers	3m 19s
build-interfaces-release	5m 32s
build-fastfarm-release	15m 42s
build-openfast-release	6m 42s
rtest-interfaces	8m 0s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 58s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	7m 37s
rtest-OF	8m 37s
rtest-OF-5MW_Land_BD_DLL_WTurb	3m 42s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	4m 8s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1m 10s
rtest-OF-linearization	3m 21s
rtest-FF	2m 54s
	2h 0m 19s

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