Document the changelog on the github releases page

Changelog.md

@@ -1,75 +1,3 @@
 # Changelog
 
-## 2.0.11
-
- - Implemented Swagger->ref(). $swagger->ref('#/info/contact') === $swagger->info->contact
- - Added validation of internal refs.
- - Misc typos and improved unittests #399, #402
-
-## 2.0.10
-
- - Fix errors when parsing php7 anonymous class #380, #390
- - Added support for linked files and directories #393
- - Added support for $ref in deserialize() #369
- - Misc documentation tweaks.
-
-## 2.0.9
-
- - Added support for PHP 7.1 and dropped support for PHP 5.5 and below
- - Added `composer test` script
- - Added support for custom DocParser->setImports() #360
-
-## 2.0.8
-
- - Dynamic Definitions / partial support #301
- - By default only scan *.php files #350
- - Removed silence operator @, improves compatiblity custom errorhandlers #331
- - Additional datetime classes & interfaces #338
- - Fixed case of UNDEFINED constants namespaces, improves hhvm compatibility #319
- - Misc improvements to the docs
-
-## 2.0.7
-
- - Beter validation of type="file" #305
- - Augment Operations summary and description based on the comment. #293
- - Bugfixes #300
- - Add support for xml (and externalDocs and properties) inside a @SWG\Items. #279
- - Nested properties are no longer injected into the Definition #297
- - Fixed nesting issue with verbose property notation #297
-
-## 2.0.6
-
- - Added Deserializer for converting json string into a Swagger Annotations object. #290
- - Various readme improvements #284 #286
- - Various PSR-2 coding standard fixes #291
- - Travis now enforces passing PHP CodeSniffer PSR-2 tests #291
- - Use badges from shields.io #288
-
-## 2.0.5
-
- - Removed JSON-Schema properties that are not supported in swagger. #273
- - Added ordering filenames to guarantee a consistent output #263
-
-## 2.0.4
-
- - Fixed minor regression #254
- - Removed format restrictions from the remaining annotations #253
-
-## 2.0.3
-
- - Removed format restrictions #253
- - Fixed a bug with inherited properties #250
-
-## 2.0.2
-
- - Added support for @SWG\Head & @SWG\Options for documenting the HEAD and OPTIONS responses
- - Removed restrictions in @SWG\Items, allow @SWG\Property and other @SWG\Schema options.
-
-## 2.0.1
-
- - Minimal support for traits (no inheritance)
-
-## 2.0.0
-
- - Generates swagger.json with Swagger Specification v2
- - New simplified architecture (crawl -> analysis -> processors -> validation -> output)
+The changelog is moved to the [releases page](https://github.com/zircote/swagger-php/releases)