CLOUDSTACK-6288: Changing default ImageFormat to vhdx for hyper-v and allowing registration of vhdx format templates.

Signed-off-by: Devdeep Singh <devdeep@gmail.com>
Value of Global parameter "custom.diskoffering.size.min" is not reflected in UI during new instance creation.

Added fields to /api and /server classes for CustomDiskOfferingMinSize
to be available in CapabilitiesResponse. Fixed UI code in Instance
Wizard to have this config value as the minimum selectable option when
we are in custom disk size mode.
Update Transifex config file (add 4.4 resources config)
CLOUDSTACK-2266: Adding automation tests for IP reservation feature

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-6286: added FinishAggregationCommand and StartAggregationCommand to simulator
CLOUDSTACK-6251: Removed XenServer stub code and used xapi.jar from the central repository instead. Also: fixed typo; ignored file.
Applied Tina's patches for removing the xapi jar
Don't let VMsync touch the VM if VM has been scheduled for HA but HA is not yet running.
BUG-ID: CS-19697: Deal with possible DB deadlock issue, return the job into queue for next turn
Do app-level iteration to avoid mysql deadlocks
WIP: Instance wizard UI: Support multi-disk offerings

Adds front-end support to instance wizard UI for service offerings
supporting multiple disks.

The UI changes will show if a list 'multipleDisks: []' is passed with
the disk offering data options.
Revert "CLOUDSTACK-6286: added FinishAggregationCommand and StartAggregationCommand to simulator"

This reverts commit 1586f419dc7e22a802c586c535f1c9dbeaee5228. Reverting as the commit that includes the two classes is missing.
CLOUDSTACK-6286: [Automation] VM deployment is failing in simulator
Added AggregationContolCommand to simulator
CLOUDSTACK-3886: Volume attach/detach implementation for ROOT disk
Implemented for Xen hypervisor only by now
Unittests are included
Remove commented-out-code
Updating LICENSE AND NOTICE
CLOUDSTACK-6335: UI - Acquire IP dialog - show/hide "cross zones" checkbox upon portableipserviceenabled property of the current region instead of Local region.
Instance wizard UI: Pass data for multi-disk service offerings
Added missing license header to the unittest
CLOUDSTACK-6268: Unable to get GPU stats, You tried to call a method that does not exist.