Make home button use customizable image

layouts/partials/home-card.html

@@ -1,4 +1,4 @@
 <a ontouchstart="cardPressed.call(this)" ontouchend="cardReleased.call(this)" ontouchmove="cardReleased.call(this)" 
-  href="/" class="card home-card" rel="bookmark" >
+  href="/" class="card home-card" style="background-image: url({{ .Site.Params.homeimg }})" rel="bookmark" >
   Home
 </a>

layouts/partials/nav-bar.html

@@ -1,5 +1,5 @@
 <nav class="nav-bar side-padding">
-  <h1 class="nav-header"><a href="/" class="nav-text">{{ $.Site.Params.navtitle }}</a></h1>
+  <h1 class="nav-header"><a href="/" class="nav-text">{{ $.Site.Title }}</a></h1>
   <div class="hamburger-menu">
 		<input type="checkbox" onclick="hamburgerMenuPressed()"/>
 		<span></span>