Use /test URL prefix from CLJS when on testnet

* because we are not using a virtual host for the testnet instance,
  the client AJAX requests must prefix http path with '/test'

resources/templates/home.html

@@ -39,7 +39,7 @@
 
 {% style "https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.1.8/semantic.min.css" %}
 <link href="/css/style.css?v={{commiteth-version}}" rel="stylesheet" type="text/css" />
-<script type="text/javascript" src="/js/app.js?v={{commiteth-version}}"></script>
+<script type="text/javascript" src="{{root-path}}/js/app.js?v={{commiteth-version}}"></script>
 <script>
   (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
   (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),

src/clj/commiteth/routes/home.clj

@@ -21,7 +21,8 @@
                               :authorize-url (github/signup-authorize-url)
                               :authorize-url-admin (github/admin-authorize-url)
                               :commiteth-version version
-                              :on-testnet? (env :on-testnet)}))
+                              :on-testnet? (env :on-testnet)
+                              :root-path (if (env :on-testnet) "/test" "")}))
 
 (defroutes home-routes
   (GET "/" {{user :identity} :session}

src/cljs/commiteth/handlers.cljs

@@ -17,7 +17,10 @@
 
 (reg-fx
  :http
- (fn [{:keys [method url on-success on-error finally params]}]
+ (fn [{:keys [method url_ on-success on-error finally params]}]
+   (let [url (if (config/on-testnet?)
+               (str "/test" url_)
+               url_)])
    (method url
            {:headers {"Accept" "application/transit+json"}
             :handler on-success