1. Check the Xenserver platform version and display the host disk read/write
threshold and metric weighting for Dundee or later XenServer.
2. Update the metric weighting page to make it autosize-able.
Signed-off-by: Hui Zhang <hui.zhang@citrix.com>
Fix the display issues when WLB Configuration Dialog size is changing:
1. OK and Cancel buttons are truncated.
2. OK and Cancel buttons do not keep at the bottom/right corner of the dialog.
3. The height of the SplitContainer does not track the change of the height of the dialog.
Signed-off-by: Hui Zhang <hui.zhang@citrix.com>
