Add gitter links to contributing.md

also add a little style to some of the existing text.

CONTRIBUTING.markdown

@@ -2,30 +2,32 @@
 
 ### Test case required
 
-**All bug reports and problem issues require a jsFiddle**. [Please fork this JSFiddle as a baseline](http://jsfiddle.net/nemh9nzk/).
+**All bug reports and problem issues require a jsFiddle**.   
+[Please fork this JSFiddle as a baseline](http://jsfiddle.net/nemh9nzk/).
 
 + A test case clearly demonstrates the bug or issue.
 + It contains the bare minimum HTML, CSS, and JavaScript required to demonstrate the bug.
 + A link to your production site is **not** a reduced test case.
 
-Providing a test case is the best way to get your issue addressed. Without a test case, your issue may be closed.
-
-You must provide a clear and simple way to reproduce the issue with the provided demo.
+Providing a test case is the best way to get your issue addressed. Without a test case; your issue may be closed.  
+You must provide a clear and simple way to reproduce the issue with the provided fiddle.
 
 ## Support
 
-If you are having problems getting Slick to work, or can't figure something out, this repository's issues section is not the place to ask about it.
+If you are **having problems getting Slick to work**, or **can't figure something out**, this repository's issues section is **not the place to ask about it**.
 
-I have set up a subreddit for Slick discussion at [reddit.com/r/slickcarousel](http://www.reddit.com/r/slickcarousel/).
+I have set up a subreddit for Slick discussion at [reddit.com/r/slickcarousel](http://www.reddit.com/r/slickcarousel/).  
+And a gitter chatroom here: [gitter.im/kenwheeler/slick](https://gitter.im/kenwheeler/slick)
 
-Please use this as an area to discuss Slick and any issues you may have.
+Please use these forums as an area to discuss Slick and any issues you may have.
 
 ## Feature Requests
 
-If you would like to request or propose a feature, please do so in the the Slick subreddit - [reddit.com/r/slickcarousel](http://www.reddit.com/r/slickcarousel/).
+If you would like to request or propose a feature, please do so in the the Slick subreddit or gitter chat:  
+[reddit.com/r/slickcarousel](http://www.reddit.com/r/slickcarousel/) / [gitter.im/kenwheeler/slick](https://gitter.im/kenwheeler/slick).
 
 ## Pull requests
 
-Contributions are welcome! That said, please be prepared to edit your pull request at request, and provide a jsFiddle of your fork working interoperably with every "mode" that Slick supports, and with varying numbers of slides, slidesToShow & slidesToScroll. Failure to do so will result in your pull request being closed.
+**Contributions are welcome**! That said, please *be prepared to edit* your pull request at request, and provide a jsFiddle of your fork working interoperably with every "mode" that Slick supports, and with varying numbers of slides, slidesToShow & slidesToScroll. Failure to do so will result in your pull request being closed.
 
-Please note that while Slick is open source, this is still my baby, and by submitting a pull request you are authorizing me to edit or modify it in any way shape or form. You will be listed in Github as a contributor, but I have and will continue to steer the direction of this project.
+*Please note that while Slick is open source, this is still my baby, and by submitting a pull request you are authorizing me to edit or modify it in any way shape or form. You will be listed in Github as a contributor, but I have and will continue to steer the direction of this project.*