FAST.Farm: increase number of output planes to 999 #3581

Job	Run time
build-drivers-release	5m 9s
build-all-debug-single	2m 47s
build-all-debug	4m 52s
build-postlib-release	9m 40s
build-test-uadriver-debug	1m 45s
rtest-modules-debug	4m 53s
rtest-module-drivers	2m 23s
build-interfaces-release	3m 53s
build-openfast-release	3m 32s
build-fastfarm-release	10m 38s
rtest-OF	6m 9s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 13s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	4m 27s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	3m 5s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1m 1s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 32s
rtest-OF-linearization	4m 11s
rtest-interfaces	3m 10s
rtest-FF	2m 0s
	1h 17m 20s

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