Include net-tools in EL7

Include basic network tools in EL7 builds, including netstat

Change-Id: I8b4a7fcdf3e465b00f402b547d7e64c94655100f
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1122874
Signed-off-by: Ryan Barry <rbarry@redhat.com>