Document default codec behavior and add guidance for newline delimited json (#54)

Author: c0d3d

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 6.2.1
+  - Document correct default plugin codec [#54](https://github.com/logstash-plugins/logstash-output-tcp/pull/54)
+
 ## 6.2.0
   - Reviewed and deprecated SSL settings to comply with Logstash's naming convention [#53](https://github.com/logstash-plugins/logstash-output-tcp/pull/53)
     - Deprecated `ssl_enable` in favor of `ssl_enabled`

docs/index.asciidoc

@@ -23,7 +23,7 @@ include::{include_path}/plugin_header.asciidoc[]
 
 Write events over a TCP socket.
 
-Each event json is separated by a newline.
+By default this plugin uses the `json` codec. In order to have each event json separated by a newline, use the `json_lines` codec.
 
 Can either accept connections from clients or connect to a server,
 depending on `mode`.

logstash-output-tcp.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-output-tcp'
-  s.version         = '6.2.0'
+  s.version         = '6.2.1'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Writes events over a TCP socket"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"