Merge pull request #17 from Tarabass/gh-pages

IE - Fixed scrolling issue with navbar when scrolling up.

.gitignore

@@ -1 +1,2 @@
 node_modules
+*.idea

js/clean-blog.js

@@ -1021,7 +1021,7 @@ jQuery(document).ready(function($) {
             } else {
               $('.navbar-custom').removeClass('is-visible is-fixed');
             }
-                } else {
+          } else if (currentTop > this.previousTop) {
             //if scrolling down...
             $('.navbar-custom').removeClass('is-visible');
             if (currentTop > headerHeight && !$('.navbar-custom').hasClass('is-fixed')) $('.navbar-custom').addClass('is-fixed');