Add Goldiloader integration for N1Loader #152

Job	Run time
tests (head, ar_8_latest, ar_lazy_preload_master)	1m 51s
tests (2.7, ar_5_latest, ar_lazy_preload_0.6.1)	2m 23s
tests (2.7, ar_6_latest, ar_lazy_preload_0.6.1)	2m 18s
tests (3.0, ar_6_latest, ar_lazy_preload_0.6.1)	45s
tests (3.0, ar_7_latest, ar_lazy_preload_master)	1m 49s
tests (head, ar_7_latest, ar_lazy_preload_master)	1m 52s
	10m 58s

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