Update 00-header.mustache

Fixed typo - atoms-log should be atoms-logo

Author: colynb

source/_patterns/02-organisms/00-global/00-header.mustache

@@ -1,9 +1,9 @@
 <!-- Begin .header -->
 <header class="header cf" role="banner">
-	{{> atoms-log }}
+	{{> atoms-logo }}
 	<a href="#" class="nav-toggle nav-toggle-search icon-search"><span class="is-vishidden">Search</span></a>
 	<a href="#" class="nav-toggle nav-toggle-menu icon-menu"><span class="is-vishidden">Menu</span></a>
 	{{> molecules-primary-nav }}
 	{{> molecules-search }}
 </header>
-<!-- End .header -->
+<!-- End .header -->