Update for f29

In Fedora 29 dstat was merged with pcp-system-tools (see
https://pagure.io/fesco/issue/1956)

Work around a iscsi bug with external packages until we can get the
package fixed.

Obsolete F27

Change-Id: I2f16658c5a3e22cac70912a0f3ad65cdd7071a1e
diff --git a/files/rpms/nova b/files/rpms/nova
index f69fc37..639d793 100644
--- a/files/rpms/nova
+++ b/files/rpms/nova
@@ -7,7 +7,7 @@
 genisoimage # required for config_drive
 iptables
 iputils
-kernel-modules # dist:f25,f26,f27,f28
+kernel-modules # dist:f25,f26,f27,f28,f29
 kpartx
 libxml2-python
 m2crypto