update code to use renamed network fields
diff --git a/planetstack/core/fixtures/initial_data.json b/planetstack/core/fixtures/initial_data.json
index 6f0a976..516f216 100644
--- a/planetstack/core/fixtures/initial_data.json
+++ b/planetstack/core/fixtures/initial_data.json
@@ -2985,10 +2985,10 @@
         "created": "2014-06-03T07:15:01.403Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 3,
         "owner": 32,
         "backend_status": "Provisioning in progress",
@@ -3008,10 +3008,10 @@
         "created": "2014-06-03T07:15:33.377Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 32,
         "backend_status": "Provisioning in progress",
@@ -3031,12 +3031,12 @@
         "created": "2014-07-25T03:48:20.878Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [
+        "permitted_slices": [
             40
         ],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 40,
         "backend_status": "Provisioning in progress",
@@ -3056,12 +3056,12 @@
         "created": "2014-07-25T03:50:31.250Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [
+        "permitted_slices": [
             40
         ],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 3,
         "owner": 40,
         "backend_status": "Provisioning in progress",
@@ -3081,12 +3081,12 @@
         "created": "2014-07-25T03:51:22.976Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [
+        "permitted_slices": [
             40
         ],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 40,
         "backend_status": "Provisioning in progress",
@@ -3106,12 +3106,12 @@
         "created": "2014-07-25T03:51:25.979Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [
+        "permitted_slices": [
             40
         ],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 40,
         "backend_status": "Provisioning in progress",
@@ -3131,10 +3131,10 @@
         "created": "2014-08-01T23:37:00.625Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 1,
         "owner": 31,
         "backend_status": "Provisioning in progress",
@@ -3154,10 +3154,10 @@
         "created": "2014-08-01T23:37:47.334Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 31,
         "backend_status": "Provisioning in progress",
@@ -3177,10 +3177,10 @@
         "created": "2014-08-02T16:43:45.571Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 3,
         "owner": 31,
         "backend_status": "Provisioning in progress",
@@ -3200,10 +3200,10 @@
         "created": "2014-08-02T17:29:06.716Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 3,
         "owner": 45,
         "backend_status": "Provisioning in progress",
@@ -3223,10 +3223,10 @@
         "created": "2014-08-02T17:29:38.618Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 45,
         "backend_status": "Provisioning in progress",
@@ -3246,10 +3246,10 @@
         "created": "2014-08-04T17:24:54.199Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 1,
         "owner": 31,
         "backend_status": "Provisioning in progress",
@@ -3269,10 +3269,10 @@
         "created": "2014-08-19T21:40:48.549Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 53,
         "backend_status": "Provisioning in progress",
@@ -3292,10 +3292,10 @@
         "created": "2014-08-19T21:41:26.950Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 3,
         "owner": 53,
         "backend_status": "Provisioning in progress",
@@ -3315,10 +3315,10 @@
         "created": "2014-09-30T19:56:42.970Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 76,
         "backend_status": "Provisioning in progress",
@@ -3338,10 +3338,10 @@
         "created": "2014-09-30T19:57:30.963Z",
         "deleted": false,
         "network_id": "",
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": "",
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 3,
         "owner": 76,
         "backend_status": "Provisioning in progress",
@@ -3361,10 +3361,10 @@
         "created": "2014-10-08T14:41:03.309Z",
         "deleted": false,
         "network_id": null,
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": null,
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 1,
         "owner": 40,
         "backend_status": "Provisioning in progress",
@@ -3384,10 +3384,10 @@
         "created": "2014-10-08T14:41:17.387Z",
         "deleted": false,
         "network_id": null,
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": null,
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 40,
         "backend_status": "Provisioning in progress",
@@ -3407,10 +3407,10 @@
         "created": "2014-10-09T16:41:54.752Z",
         "deleted": false,
         "network_id": null,
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": null,
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 1,
         "owner": 97,
         "backend_status": "Provisioning in progress",
@@ -3430,10 +3430,10 @@
         "created": "2014-10-09T16:42:09.773Z",
         "deleted": false,
         "network_id": null,
-        "permittedSlices": [],
+        "permitted_slices": [],
         "labels": null,
-        "guaranteedBandwidth": 0,
-        "permitAllSlices": false,
+        "guaranteed_bandwidth": 0,
+        "permit_all_slices": false,
         "template": 4,
         "owner": 97,
         "backend_status": "Provisioning in progress",