Update to weather webapp to use weatherstack data instead of darksky

web-server/templates/views/about.hbs

@@ -11,7 +11,7 @@
 <body>
   <div class="main-content">
     {{>header}}
-    <p>This site was created by Jason Williams. It uses data from mapbox.com and darksky.net!</p>
+    <p>This site was created by Jason Williams. It uses data from mapbox.com and weatherstack.com!</p>
     <img class="portrait" src="/img/me.jpg">
   </div>