RTest: more verbose outputs for lin comparison and only abort at the end #691

Job	Run time
build-all-debug-single	5m 33s
build-all-debug	10m 18s
build-drivers-release	9m 57s
build-postlib-release	14m 17s
build-test-uadriver-debug	2m 45s
rtest-module-drivers	3m 12s
rtest-modules-debug	7m 57s
build-interfaces-release	6m 52s
build-openfast-release	5m 12s
build-fastfarm-release	20m 58s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	2m 26s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	2m 7s
rtest-OF-5MW_Land_BD_DLL_WTurb	3m 1s
rtest-OF	10m 19s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	7m 9s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1m 10s
rtest-OF-linearization	3m 41s
rtest-interfaces	8m 4s
rtest-FF	2m 18s
	2h 7m 16s

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