Force uc-aom-packager to use HTTP instead of HTTPS

u-os-app/source-credentials.json

@@ -1,5 +1,7 @@
 {
-    "serveraddress": "http://localhost:5000",
+    "serveraddress": "localhost:5000",
     "username": "",
-    "password": ""
+    "password": "",
+    "plain-http": true,
+    "insecure": true
 }

u-os-app/target-credentials.json

@@ -1,6 +1,8 @@
 {
-    "serveraddress": "http://localhost:5000",    
+    "serveraddress": "localhost:5000",    
     "repositoryname": "local/u-os-app-openwrt",
     "username": "",
-    "password": ""
+    "password": "",
+    "plain-http": true,
+    "insecure": true
 }