tools: Fixes SMTP configuration in notifier

Fixes proper settings of JavaMail properties to support SMTPS protocol.

Change-Id: If85e2d3cac58ed70e2bfa52de31c2600c2924fdd
Bug-Url: https://bugzilla.redhat.com/1020900
Signed-off-by: Martin Perina <mperina@redhat.com>