change topology_rest.py and pingallm.py to use config file
diff --git a/web/config.json.sw_dev b/web/config.json.sw_dev
new file mode 100644
index 0000000..57a1a3d
--- /dev/null
+++ b/web/config.json.sw_dev
@@ -0,0 +1,25 @@
+{
+    "LB": false, 
+    "ONOS_DEFAULT_HOST": "localhost",
+    "ONOS_GUI3_CONTROL_HOST": "http://devy-gui.onlab.us:8080", 
+    "ONOS_GUI3_HOST": "http://devy-gui.onlab.us:8080", 
+    "cluster_basename": "onosdevy", 
+    "controllers": [
+        "onosdevy1", 
+        "onosdevy2", 
+        "onosdevy3", 
+        "onosdevy4", 
+        "onosdevy5", 
+        "onosdevy6", 
+        "onosdevy7", 
+        "onosdevy8"
+    ], 
+    "core_switches": [
+        "00:00:00:00:00:00:01:01", 
+        "00:00:00:00:00:00:01:02", 
+        "00:00:00:00:00:00:01:03", 
+        "00:00:00:00:00:00:01:04", 
+        "00:00:00:00:00:00:01:05", 
+        "00:00:00:00:00:00:01:06"
+    ]
+}