Add LOCATION tag to vCenter drivers

[OpenNebulaProject]

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Author Name: Tino Vázquez (Tino Vázquez)
Original Redmine Issue: 3253, https://dev.opennebula.org/issues/3253
Original Date: 2014-10-20
Original Assignee: Tino Vázquez

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Same as in the hybrid drivers, to allow:

PUBLIC_CLOUD=[TYPE="vcenter", LOCATION="vCenterA", VM_TEMPLATE="uuid1"]

PUBLIC_CLOUD=[TYPE="vcenter", LOCATION="vCenterB", VM_TEMPLATE="uuid2"]

[OpenNebulaProject]

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Original Redmine Comment
Author Name: Ruben S. Montero (@rsmontero)
Original Date: 2014-10-20T16:47:17Z

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As a side note we should consider the interaction with the scheduler, e.g. REQUIREMENTS=vCenterA | vCenterB

[rsmontero]

This is implemented