marvin : cloudstack-version is not reqd for json load

To build back cloudstack response we don't need to load the
'cloudstack-version' string, only the response
Simulator: Fixing the listTemplatesCommand

Should return the ListTemplatesAnswer and ListVolumes returns
ListVolumesAnswer

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
List view UI: Add alt tag to table cells
Increase max-width of list view table cells to 160px
List view UI: Keep overflow row content in-line with mouse on hover
UI: Minor cosmetic fixes

-Fix missing icons on some dialog headers

-multiEdit: Fix overflow for long text strings

-Projects UI: Fix project selector margins, overflow on 'Events' box
 on project dashboard
db / upgrade: Add columns to sync_queue and sync_queue_item

These columns were not added by the upgrade from 4.0 to 4.1 causing SQL-errors

These columns are present in create-schema.sql, so by adding them here the upgrade also works to 4.1
S3-backed Secondary Storage