Remove deprecated config for 5.0 (logstash-plugins#40)

* remove deprecated config verify_ssl in favor of mixin-html_client config 'ssl_certificate_validation'

* raise only minor version

Author: wiibaa

CHANGELOG.md

@@ -1,11 +1,18 @@
+## 3.1.0
+ - breaking,config: Remove deprecated config 'verify_ssl'. Please use 'ssl_certificate_validation'.
+
 ## 3.0.1
-  - Republish all the gems under jruby.
+ - Republish all the gems under jruby.
+
 ## 3.0.0
-  - Update the plugin to the version 2.0 of the plugin api, this change is required for Logstash 5.0 compatibility. See https://github.com/elastic/logstash/issues/5141
-# 2.1.3
-  - Depend on logstash-core-plugin-api instead of logstash-core, removing the need to mass update plugins on major releases of logstash
-# 2.1.2
-  - New dependency requirements for logstash-core for the 5.0 release
+ - Update the plugin to the version 2.0 of the plugin api, this change is required for Logstash 5.0 compatibility. See https://github.com/elastic/logstash/issues/5141
+
+## 2.1.3
+ - Depend on logstash-core-plugin-api instead of logstash-core, removing the need to mass update plugins on major releases of logstash
+
+## 2.1.2
+ - New dependency requirements for logstash-core for the 5.0 release
+
 ## 2.1.1
  - Require http_client mixin with better keepalive handling
 
@@ -25,7 +32,8 @@
    instead of using Thread.raise on the plugins' threads. Ref: https://github.com/elastic/logstash/pull/3895
  - Dependency on logstash-core update to 2.0
 
-* 1.1.0
-  - Concurrent execution
-  - Add many HTTP options via the http_client mixin
-  - Switch to manticore as HTTP Client
+## 1.1.0
+ - Concurrent execution
+ - Add many HTTP options via the http_client mixin
+ - Switch to manticore as HTTP Client
+ 

lib/logstash/outputs/http.rb

@@ -26,9 +26,6 @@ class LogStash::Outputs::Http < LogStash::Outputs::Base
   # URL to use
   config :url, :validate => :string, :required => :true
 
-  # DEPRECATED. Set 'ssl_certificate_validation' instead
-  config :verify_ssl, :validate => :boolean, :default => true, :deprecated => "Please use 'ssl_certificate_validation' instead. This option will be removed in a future release!"
-
   # The HTTP Verb. One of "put", "post", "patch", "delete", "get", "head"
   config :http_method, :validate => VALID_METHODS, :required => :true
 
@@ -65,8 +62,6 @@ class LogStash::Outputs::Http < LogStash::Outputs::Base
   config :message, :validate => :string
 
   def register
-    # Handle this deprecated option. TODO: remove the option
-    @ssl_certificate_validation = @verify_ssl if @verify_ssl
     @http_method = @http_method.to_sym
 
     # We count outstanding requests with this queue

logstash-output-http.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-output-http'
-  s.version         = '3.0.1'
+  s.version         = '3.1.0'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "This output lets you `PUT` or `POST` events to a generic HTTP(S) endpoint"
   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"