Add ddhcpd configuration directly to site.conf

Bump sargon, new roamguide, ddhcpd arp test

modules

@@ -10,8 +10,8 @@ PACKAGES_FFKI_COMMIT=f21206db8c8f6362eb40609ff92f1e6713236c4b
 PACKAGES_FFKI_BRANCH=2018.1.x
 
 # ddhcpd and roamguide
-PACKAGES_SARGON_REPO=https://github.com/Freifunk-Nord/gluon-sargon
-PACKAGES_SARGON_COMMIT=893b894a57c34aa2deb847d091c963b84c4c7879
+PACKAGES_SARGON_REPO=https://github.com/sargon/gluon-sargon.git
+PACKAGES_SARGON_COMMIT=70ac2f698b9e358494cabefa9f85fc48598848f8
 PACKAGES_SARGON_BRANCH=v2018.x
 
 # gluon-quickfix

site.conf

@@ -66,6 +66,7 @@
   },
   
   ddhcpd = {
+    enabled = false,
     range = "10.187.220.0/22",
     broadcast = "10.187.255.255"
   },