prep for 3.0.0 release

Author: majormoses

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,15 +4,15 @@
 
 #### General
 
-- [ ] Update Changelog following the conventions laid out on [Keep A Changelog](http://keepachangelog.com/)
+- [ ] Update Changelog following the conventions laid out [here](https://github.com/sensu-plugins/community/blob/master/HOW_WE_CHANGELOG.md)
 
 - [ ] Update README with any necessary configuration snippets
 
 - [ ] Binstubs are created if needed
 
 - [ ] RuboCop passes
 
-- [ ] Existing tests pass 
+- [ ] Existing tests pass
 
 #### New Plugins
 
@@ -24,5 +24,4 @@
 
 #### Purpose
 
-#### Known Compatablity Issues
-
+#### Known Compatibility Issues

CHANGELOG.md

@@ -1,13 +1,17 @@
 # Change Log
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachangelog.com/)
+This CHANGELOG follows the format listed [here](https://github.com/sensu-plugins/community/blob/master/HOW_WE_CHANGELOG.md)
 
 ## [Unreleased]
 
+## [3.0.0] - 2018-01-11
 ### Breaking Changes
 - bumped `sensu-plugin` dependency to 2.x which removes in handler filtering for `occurrences`. If you want to keep using the same filtering features you must specify it and ensure that you have applied the filter by setting `"filters": ["occurrences"]`. For more information see [here](https://blog.sensuapp.org/deprecating-event-filtering-in-sensu-plugin-b60c7c500be3) (@majormoses)
 
+### Changed
+- update changelog guidelines location, fix spelling in PR template (@majormoses)
+
 ## [2.0.0] - 2017-10-21
 ### Breaking Changes
 - `handler-slack-multichannel.rb`: Fixed title unknown issue when using proxy clients, change from client address to client name (@autumnw)
@@ -111,7 +115,8 @@ This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachang
 ### Added
 - initial release
 
-[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-slack/compare/2.0.0...HEAD
+[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-slack/compare/3.0.0...HEAD
+[3.0.0]: https://github.com/sensu-plugins/sensu-plugins-slack/compare/2.0.0...3.0.0
 [2.0.0]: https://github.com/sensu-plugins/sensu-plugins-slack/compare/1.5.0...2.0.0
 [1.5.1]: https://github.com/sensu-plugins/sensu-plugins-slack/compare/1.5.0...1.5.1
 [1.5.0]: https://github.com/sensu-plugins/sensu-plugins-slack/compare/1.4.0...1.5.0

lib/sensu-plugins-slack/version.rb

@@ -1,6 +1,6 @@
 module SensuPluginsSlack
   module Version
-    MAJOR = 2
+    MAJOR = 3
     MINOR = 0
     PATCH = 0