Batch cert cmdlets (not for 0.9.9 release)

[jasper-schneider]

New cmdlets for working with Batch certs.
I'm not aiming for the 0.9.9 release due tomorrow. The next release is fine.

[azurecla]

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[ogail]

nit: better to have on one line

public System.DateTime? EndTime { get { return this.omObject.EndTime; } }

[jasper-schneider]

This class is autogenerated. I can see if there's a flag for line spacing preferences, but I'm not sure what CodeDom offers.

[jasper-schneider]

Sorry, not really seeing any options for output formatting when defining properties: https://msdn.microsoft.com/en-us/library/system.codedom.codememberproperty%28v=vs.110%29.aspx

[markcowl]

@azuresdkci retest this please