bump version to 2.2.0

README.md

@@ -109,7 +109,7 @@ contains values for three types of answers: **correct**, **_incorrect**, and **_
 No known limitations.  
 
 ----------------------------
-**Version number:**  2.1.6  <a href="https://community.adaptlearning.org/" target="_blank"><img src="https://github.com/adaptlearning/documentation/blob/master/04_wiki_assets/plug-ins/images/adapt-logo-mrgn-lft.jpg" alt="adapt learning logo" align="right"></a>
+**Version number:**  2.2.0  <a href="https://community.adaptlearning.org/" target="_blank"><img src="https://github.com/adaptlearning/documentation/blob/master/04_wiki_assets/plug-ins/images/adapt-logo-mrgn-lft.jpg" alt="adapt learning logo" align="right"></a>
 **Framework versions:** 2.0.13+  
 **Author / maintainer:** Adapt Core Team with [contributors](https://github.com/adaptlearning/adapt-contrib-slider/graphs/contributors)    
 **Accessibility support:** WAI AA   

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "adapt-contrib-slider",
-  "version": "2.1.6",
+  "version": "2.2.0",
   "framework": ">=2.0.13",
   "homepage": "https://github.com/adaptlearning/adapt-contrib-slider",
   "issues": "https://github.com/adaptlearning/adapt_framework/issues/new?title=contrib-slider%3A%20please%20enter%20a%20brief%20summary%20of%20the%20issue%20here&body=please%20provide%20a%20full%20description%20of%20the%20problem,%20including%20steps%20on%20how%20to%20replicate,%20what%20browser(s)/device(s)%20the%20problem%20occurs%20on%20and,%20where%20helpful,%20screenshots.",