MODULES-10618 : update SUSE autorefresh parameter

[kennedye]

During a recent update to PE 2018.1.9 we encountered an issue with
SUSE systems not being able to download the updated agent, because
the repository would not refresh itself. This changes sets the
autorefresh parameter to true to match other SUSE repos.

[puppetcla]

CLA signed by all contributors.

[mihaibuzgau]

@kennedye thanks for your contribution!

Travis is failing because:

		also update spec test for autorefresh parameter
	The commit summary (i.e. the first line of the commit message) should start with one of:
		(MODULES-<digits>) # this is most common and should be a ticket at tickets.puppet.com
		(docs)
		(docs)(DOCUMENT-<digits>)
		(packaging)```

can you please create a Modules ticket and update the commit message.

[CLAassistant]

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[joshcooper]

@kennedye Could you squash your commits, rebase and resolve conflicts?