Fix/master/modules 3980#683

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hunner wants to merge 3 commits intopuppetlabs:masterfrom

hunner:fix/master/modules-3980

Commits on Oct 17, 2016

(MODULES-3980) Fix ipv4 regex validator
Nate Potter
committed

Commits on Oct 18, 2016

Use parallel_tests 2.9.0 for ruby < 2.0.0
Nate Potter
committed

Commits on Oct 21, 2016

Add specs
hunner
committed