fix for version upgrade

web/app/assets/javascripts/clientUpdate.js

@@ -255,7 +255,6 @@
 
     // check if updated is needed
     async function check() {
-
       var os = await context.jamClient.GetDetailedOS();
       //os = 'Win32'
 
@@ -284,7 +283,8 @@
         type: "GET",
         url: "/api/versioncheck?product=" + product + "&os=" + os,
         success: function (response) {
-          if(JSON.stringify(response) !== "{}"){
+          console.log('versioncheck response', response)
+          if(!jQuery.isEmptyObject(response)){
             runCheck(product, response.version, response.uri, response.size, currentVersion);
           }
         },

web/app/controllers/artifacts_controller.rb

@@ -62,7 +62,6 @@ class ArtifactsController < ApiController
 
     logger.debug "version check from #{product}"
 
-
     unless ArtifactUpdate::PRODUCTS.include? product
       render :json => { :errors => { :product => ['not a valid product'] } }, :status => :unprocessable_entity
       return