SVG logos and refactored PNG logos

_includes/layout/header.html

@@ -8,7 +8,8 @@
                 <span class="icon-bar"></span>
             </button>
             <a class="navbar-brand pybuilder-brand dropdown" href="/" title="PyBuilder">
-                <img src="/img/logo_brand.png" alt="PyBuilder Logo"/></a>
+                <img src="/img/logo.svg" alt="PyBuilder Logo"
+                     onerror="this.onerror=null; this.src='/img/logo-brand.png'"/></a>
         </div>
 
         <div class="collapse navbar-collapse" id="hdr-nb-collapse">

_includes/layout/metaAndStyles.html

@@ -14,8 +14,12 @@
 <meta name="author" content="PyBuilder Community"/>
 <meta name="keywords" content="python, continuous integration, build tool, automation, CI, CD, CI/CD"/>
 
+<meta name="theme-color" content="#000000"/>
+
 <link rel="canonical" href="{{ page.url | abs_canonical_url }}"/>
-<link rel="shortcut icon" href="/favicon.ico"/>
+<link rel="icon" href="/img/logo.svg"/>
+<link rel="apple-touch-icon" href="/img/logo-apple-touch-icon.png">
+
 <link rel="stylesheet" type="text/css" href="//fonts.googleapis.com/css?family=Oleo+Script:700"/>
 <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"
       integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">