Merge pull request #158 from dblock/document-bodyparser

Documented body-parser changes from #155. [ci skip]:

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ### 2.5.0 (Next)
 
-* [#152](https://github.com/alexa-js/alexa-app/issues/152): Mount a JSON body-parser after verifier middleware in express integration - [@dblock](https://github.com/dblock).
+* [#152](https://github.com/alexa-js/alexa-app/issues/152): Mounted a JSON body-parser after verifier middleware and removed `bodyParser.urlencoded` in Express integration - [@dblock](https://github.com/dblock).
 * [#150](https://github.com/alexa-js/alexa-app/pull/150): Added `preRequest` and `postRequest` to express integration - [@dblock](https://github.com/dblock).
 * [#150](https://github.com/alexa-js/alexa-app/pull/150): Dump schema and utterances in debug mode - [@dblock](https://github.com/dblock).
 * [#144](https://github.com/alexa-js/alexa-app/pull/144): Simplified and refactored the `express` interface - [@mreinstein](https://github.com/mreinstein).

UPGRADING.md

@@ -2,7 +2,7 @@
 
 ### Upgrading to >= 2.5.0
 
-#### Changes in express integration
+#### Changes in Express integration interface
 
 The interface for mounting alexa-app with Express.js has changed from taking the app, path and debug option to receiving an object.
 
@@ -28,6 +28,14 @@ app.express({
 
 See [#144](https://github.com/alexa-js/alexa-app/pull/144) and [#150](https://github.com/alexa-js/alexa-app/pull/150) for more information.
 
+#### Changes in body-parsers
+
+The `.urlencoded` body-parser has been removed.
+
+The `.json` body-parser is only mounted when `checkCert: false`, because `verifier-middleware` acts as a body-parser as well.
+
+See [#155](https://github.com/alexa-js/alexa-app/pull/155) for more information.
+
 #### Changed session object behavior
 
 When working with the session, `session.get` will return a deep copy of the value stored in the session. If this value is an object and you make direct changes to the object, you must call `session.set` again in order for the changes to propagate to the session.