Bump to kitematic version and updated download link

Signed-off-by: French Ben <frenchben@docker.com>

README.md

@@ -9,7 +9,7 @@ Kitematic is a simple application for managing Docker containers on Mac, Linux a
 
 ## Installing Kitematic
 
-[Download the latest version](https://docker.com/toolbox) of Kitematic via the Docker Toolbox.
+[Download the latest version](https://github.com/docker/kitematic/releases) of Kitematic via the github release page.
 
 ## Documentation
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "Kitematic",
-  "version": "0.17.2",
+  "version": "0.17.3",
   "author": "Kitematic",
   "description": "Simple Docker Container management for Mac OS X, Windows and Ubuntu.",
   "homepage": "https://kitematic.com/",