allow install of custom scripts #276

Job	Run time
Test role on different ansible versions (2.12, pdns-46)	8m 41s
Test role on different ansible versions (2.12, pdns-47)	11m 10s
Test role on different ansible versions (2.12, pdns-48)	11m 18s
Test role on different ansible versions (2.12, pdns-master)	10m 34s
Test role on different ansible versions (2.12, pdns-os-repos)	6m 31s
Test role on different ansible versions (2.12, systemd-no-overrides)	2m 20s
Test role on different ansible versions (2.13, pdns-46)	7m 43s
Test role on different ansible versions (2.13, pdns-47)	10m 32s
Test role on different ansible versions (2.13, pdns-48)	10m 23s
Test role on different ansible versions (2.13, pdns-master)	10m 34s
Test role on different ansible versions (2.13, pdns-os-repos)	5m 37s
Test role on different ansible versions (2.13, systemd-no-overrides)	2m 35s
Test role on different ansible versions (2.14, pdns-46)	8m 43s
Test role on different ansible versions (2.14, pdns-47)	12m 1s
Test role on different ansible versions (2.14, pdns-48)	10m 20s
Test role on different ansible versions (2.14, pdns-master)	11m 23s
Test role on different ansible versions (2.14, pdns-os-repos)	5m 46s
Test role on different ansible versions (2.14, systemd-no-overrides)	2m 38s
	2h 28m 49s

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