webadmin: Fixed sorting of bonds in bond popup

Added sorting using LexoNumericComparator.

Change-Id: Ief91fe080d1642d25eca43be9506250892ce746b
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=891061
Signed-off-by: Lior Vernia <lvernia@redhat.com>
Signed-off-by: Alona Kaplan <alkaplan@redhat.com>