Bugfix: Overlap issue occurs on the Power Off confirmation dialog

This patch fixes the bug that layout of confirm dialogue display rightly
when changing the languages.

Signed-off-by: Wen Wang <wenwang@linux.vnet.ibm.com>
Bugfix#: Prevent overlap issue occurs under General tab on Edit

This patch fix the bug that occurs when changing languages which
might contain long words that cause problems of layout in
"General" tab under "Edit" for VM.

Signed-off-by: Wen Wang <wenwang@linux.vnet.ibm.com>