on a background thread and show a spinner while this is going on. Also: run this
check only the first time the page is loaded; some refactoring, namely simplified
the code scanning for SRs by reducing the number of things each method does;
fixed column widths; removed unused property.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
1. Resized columns on the LOcate Mirrored SRs page in the DR Wizard.
2. Changed wording of DR_WIZARD_STORAGEPAGE_DESCRIPTION_FAILBACK and
DR_WIZARD_STORAGEPAGE_DESCRIPTION_FAILOVER messages.
