Fix deprecated Hugo-vars and functions

That will stop working in Hugo 0.15.

See gohugoio/hugoThemesSite#6

layouts/partials/head.html

@@ -6,9 +6,9 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
     <title> {{ .Title }} </title>
     <!-- CSS -->
-	<link rel="stylesheet" href="{{ .Site.BaseUrl }}/css/bootstrap.min.css">
-    <link rel="stylesheet" href="{{ .Site.BaseUrl }}/css/font-awesome.min.css">
-    <link rel="stylesheet" href="{{ .Site.BaseUrl }}/css/theme.css" />
+	<link rel="stylesheet" href="{{ .Site.BaseURL }}/css/bootstrap.min.css">
+    <link rel="stylesheet" href="{{ .Site.BaseURL }}/css/font-awesome.min.css">
+    <link rel="stylesheet" href="{{ .Site.BaseURL }}/css/theme.css" />
     <!-- Icons -->
     <link rel="apple-touch-icon-precomposed" sizes="144x144" href="/apple-touch-icon-144-precomposed.png">
     <link rel="shortcut icon" href="/favicon.ico">

layouts/partials/navbar.html

@@ -7,7 +7,7 @@
                 <span class="icon-bar"></span>
                 <span class="icon-bar"></span>
             </button>
-            <a class="navbar-brand" href="{{ .Site.BaseUrl }}">{{ .Site.Title }}</a>
+            <a class="navbar-brand" href="{{ .Site.BaseURL }}">{{ .Site.Title }}</a>
         </div>
         <div class="collapse navbar-collapse" id="navbar-right">
             <ul class="nav navbar-nav navbar-right">

layouts/partials/script.html

@@ -1,5 +1,5 @@
-<script src="{{ .Site.BaseUrl }}/js/jquery-2.1.4.min.js"></script>
-<script src="{{ .Site.BaseUrl }}/js/bootstrap.min.js"></script>
+<script src="{{ .Site.BaseURL }}/js/jquery-2.1.4.min.js"></script>
+<script src="{{ .Site.BaseURL }}/js/bootstrap.min.js"></script>
 {{ if .Site.Params.useAnalytics }}
 	{{ partial "analytics.html" . }}
 {{ end }}

theme.toml

@@ -5,7 +5,7 @@ description = "An elegant, open source and simple theme"
 homepage = "https://github.com/druzza/simple-hugo"
 tags = ["blog", "dev"]
 features = ["blog", "dev"]
-min_version = 0.1
+min_version = 0.14
 
 [author]
   name = "Daniel Ruzza"