changed version number to v2.019 release

font-specimen.html

@@ -29,7 +29,7 @@
     <div class="container">
 
         <div class="page-header">
-            <h1>Hack v2.018</h1>
+            <h1>Hack v2.019</h1>
             <p class="lead">Specimen for the Hack typeface</p>
         </div>