Applied current changes to the updated VM List template, as well
as fixed a column header error by removed the status th.

refs #2757
Added in a check to see if the user has permission to perform actions
on VMs, and if so to give them the button to do so. Also slightly
modified the "You do not have permission to do <action" text in
the shutdown/shutdown_now/reboot/startup functions.

refs #2757
Removed the Submit button and checkboxes from VMs if the user does
not have bulk operation permissions on the VMs.

refs #2757
Added in a check to see if the user has permission to perform actions
on VMs, and if so to give them the button to do so. Also slightly
modified the "You do not have permission to do <action" text in
the shutdown/shutdown_now/reboot/startup functions.

refs #2757
Added bulk_ops for the Cluster VMs page.

Moved bulk_ops out of the virtual machine view and into utilities.py.
Also changed the the submission request for bulk ops to use
ajaxSubmit.

refs #2757