chore(travis): test across more node versions
chore(travis): test across more node versions

Signed-off-by: Will Soto <e88b744add47cc3da30186f5601865928acd804d@gmail.com>

leodido/validate-commit,paradox41/validate-commit,leodido/validate-commit,willsoto/validate-commit,willsoto/validate-commit,paradox41/validate-commit