Bump to 0.5.19

package.json

@@ -1,6 +1,6 @@
 {
   "name": "Kitematic",
-  "version": "0.5.18",
+  "version": "0.5.19",
   "author": "Kitematic",
   "description": "Simple Docker Container management for Mac OS X.",
   "homepage": "https://kitematic.com/",

src/SetupStore.js

@@ -234,7 +234,6 @@ var SetupStore = assign(Object.create(EventEmitter.prototype), {
         err.message = util.removeSensitiveData(err.message);
         metrics.track('Setup Failed', {
           step: _currentStep,
-          message: err.message
         });
         bugsnag.notify('SetupError', err.message, {
           error: err,