webadmin: Cannot add hypervisor host when use chinese support

When adding a new host using chinese locale the
root user name gets localized leading to error
in user name when trying to establish an ssh
session

Change-Id: Ifdc4a332a297bca1b7c99bc6ede5a5aeacbc6431
Bug-Url: https://bugzilla.redhat.com/1008258
Signed-off-by: Ravi Nori <rnori@redhat.com>