webadmin: Add host/Reinstall radio button text not actionable

The radio buttons in Add/Reinstall host dialogs to select
between password and SSH Key are not actionable. You can
only click the radio button to change selection but not
the text.

Change-Id: I2baad8ec5f50b7022a348d6ef236691b3feaa804
Bug-Url: https://bugzilla.redhat.com/1035844
Signed-off-by: Ravi Nori <rnori@redhat.com>