Fix parameters in VMware glance configuration

A number of parameters in the VMware glance configuration commands were
missing the preceding dashes. This prevented the commands from running
successfully.

Closes-Bug: #1322269
Change-Id: I226423f89e9d3bd515440acdd9a1e4f3d8c0941c
backport: icehouse
Merge "Fix parameters in VMware glance configuration"