Add remove_ntp_dhcp option

  * Those option are WA for
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=600661
    WA needed for extremly rare situatuon, when network dhcp provide wrong
    ntp.
  * Those option make sence to use only with dropping 'ntp-servers' request
    from dhclient.conf - unless, you totally remove dhcp client from system
  * Misc: update  run_tests.sh to latest

Change-Id: I8818eed3541f1d7bfc073cc05d8df48d124b812e
diff --git a/tests/pillar/server_auth.sls b/tests/pillar/server_auth.sls
index 9c351c9..8891a40 100644
--- a/tests/pillar/server_auth.sls
+++ b/tests/pillar/server_auth.sls
@@ -15,6 +15,7 @@
           trustedkey: false
     mode7: true
     orphan: 5
+    remove_dhcp_conf: true
     peers:
     - host: 192.168.31.1
     - host: 192.168.31.2