updated readme path

Author: sivasamyk

README.md

@@ -25,7 +25,7 @@ Installation
   - Download and install Elasticsearch , Logstash and Kibana
   - Logtrail is supported and tested with Kibana 6.x and 5.x
 - Install logtrail plugin (requires restart of Kibana after install)
-  - Kibana 6.4.0 : `./bin/kibana-plugin install https://github.com/sivasamyk/logtrail/releases/download/v6.4.0_0.1.30/logtrail-6.4.0-0.1.30.zip`
+  - Kibana 6.4.0 : `./bin/kibana-plugin install https://github.com/sivasamyk/logtrail/releases/download/v0.1.30/logtrail-6.4.0-0.1.30.zip`
   - Kibana 5.6.5 : `./bin/kibana-plugin install https://github.com/sivasamyk/logtrail/releases/download/v0.1.23/logtrail-5.6.5-0.1.23.zip`
   - Other versions : [https://github.com/sivasamyk/logtrail/releases](https://github.com/sivasamyk/logtrail/releases)
 - Kibana requires exact match of plugin version to the Kibana version. If you can't find logtrail plugin release for a Kibana release, follow the instrcutions [here](docs/how_to.md#2-update-kibanaversion-in-logtrail-plugin-archive) to update Kibana version in your logtrail plugin archive.

logtrail.json

@@ -3,7 +3,7 @@
   "index_patterns" : [
     {      
       "es": {
-        "default_index": "filebeat-*"
+        "default_index": "logstash-*"
       },
       "tail_interval_in_seconds": 10,
       "es_index_time_offset_in_seconds": 0,
@@ -17,11 +17,11 @@
       "fields" : {
         "mapping" : {
             "timestamp" : "@timestamp",
-            "hostname" : "beat.hostname",
-            "program": "source",
-            "message": "message"
+            "hostname" : "host",
+            "program": "url",
+            "message": "agent"
         },
-        "message_format": "{{{message}}}",
+        "message_format": "{{{agent}}}",
         "keyword_suffix" : "keyword"
       },
       "color_mapping" : {