Refactor usage of RSSLink

layouts/partials/head.html

@@ -11,5 +11,7 @@
 		<link rel="shortcut icon" href="{{ .Site.BaseURL }}images/favicon.ico">
 		<link rel="stylesheet" href="{{ .Site.BaseURL }}css/style.css">
 		<link rel="stylesheet" href="{{ .Site.BaseURL }}css/highlight.css">
-		<link href="{{ .Site.BaseURL }}index.xml" rel="alternate" type="application/rss+xml" title="{{ .Site.Title }}" />
+		{{ if .Site.Params.enableRSS }}
+		<link href="{{ .Site.RSSLink }}" rel="alternate" type="application/rss+xml" title="{{ .Site.Title }}" />
+		{{ end }}
 	</head>

layouts/partials/nav.html

@@ -9,6 +9,6 @@
 	{{ end }}
 
 	{{ if .Site.Params.enableRSS }}
-	<a class="cta" href="{{ .Site.BaseURL }}index.xml">{{ with .Site.Params.subscribe }}{{ . }}{{ else }}Subscribe{{ end }}</a>
+	<a class="cta" href="{{ .Site.RSSLink }}">{{ with .Site.Params.subscribe }}{{ . }}{{ else }}Subscribe{{ end }}</a>
 	{{ end }}
 </nav>