Add mversion support

Author: enykeev

.mversionrc

@@ -0,0 +1,4 @@
+{
+  "commitMessage": "%s",
+  "tagName": "v%s"
+}

README.md

@@ -54,7 +54,7 @@ If you want to use this plugin with a Slack adapter, you also need to install
 
 ```bash
 npm install hubot-slack
-````
+```
 
 After that's done, you are ready to start your bot.
 
@@ -125,9 +125,20 @@ gulp lint
 ### Tests
 
 ```bash
-gulp tests
+gulp test
 ```
 
+## Publishing
+
+Reminder to ourselves, instead of bumping the version manually, use `mverson`.
+
+```
+npm install -g mversion
+mversion patch
+```
+
+This will bump the version in `package.json`, commit and create a tag with format described in `.mversionrc`.
+
 ## Copyright, License, and Contributors Agreement
 
 Copyright 2015 StackStorm, Inc.