Update nl.json (#491)

Changed Dutch explanation of forwarder: 
"expediteur" is not a word in dutch, it's french. Changed it to "signaal doorsturen" , it's kinda like "pass-through signal" in English

assets/webconfig/i18n/nl.json

@@ -323,7 +323,7 @@
   "edt_conf_fw_flat_expl": "Eén flatbufferdoel per regel. Bevat IP:POORT (Voorbeeld: 127.0.0.1:19401)",
   "edt_conf_fw_flat_itemtitle": "flatbuffer-doel",
   "edt_conf_fw_flat_title": "Lijst met flatbuffer-clients",
-  "edt_conf_fw_heading_title": "expediteur",
+  "edt_conf_fw_heading_title": "Signaal doorsturen",
   "edt_conf_fw_json_expl": "Eén json-doel per regel. Bevat IP:POORT (Voorbeeld: 127.0.0.1:19446)",
   "edt_conf_fw_json_itemtitle": "Json-doel",
   "edt_conf_fw_json_title": "Lijst met json-clients",
@@ -713,7 +713,7 @@
   "general_comp_BLACKBORDER": "Blackbar-detectie",
   "general_comp_BOBLIGHTSERVER": "Boblight-server",
   "general_comp_FLATBUFSERVER": "Flatbuffers-server",
-  "general_comp_FORWARDER": "expediteur",
+  "general_comp_FORWARDER": "Signaal doorsturen",
   "general_comp_GRABBER": "Systeemopname",
   "general_comp_LEDDEVICE": "LED-apparaat",
   "general_comp_PROTOSERVER": "Protocolbufferserver",