Update to v1.6.0

Author: Dave Ferris

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ui-design-system",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "dependencies": {
     "react-select": "^3.0.8",
     "react-transition-group": "^4.3.0",