add quiescevm in createvmsnapshotcmd
VM snapshot action: add quiescevm option as checkbox
Summary: LibvirtStorageAdaptor.getPhysicalDisk() to recogize .raw extension

Detail: getPhysicalDisk() was not matching on volumes with .raw, so
instead setting disk format to QCOW2.

BUG-ID: CLOUDSTACK-5018
Bugfix-for:
Reviewed-by:
Reported-by:
Signed-off-by: John Kinsella <jlk@stratosec.co> 1383287538 -0700
Added a verifyElementInList utility function

The purpose is to verify a given element in list
at a given position with few error checks like
list type,empty list and position
Returns appropriate codes based upon the inputs.
Can be used under tests instead of multiple asserts

Signed-off-by: Santhosh Edukulla <Santhosh.Edukulla@citrix.com>
CLOUDSTACK-3961: Added a function to get free vlan
OpenContrail network plugin

Signed-off-by: Hugo Trippaers <htrippaers@schubergphilis.com>