Update devDependencies and gems

Gemfile.lock

@@ -4,7 +4,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -37,7 +37,7 @@ GEM
     jekyll-feed (0.13.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-paginate (1.1.0)
-    jekyll-sass-converter (2.0.1)
+    jekyll-sass-converter (2.1.0)
       sassc (> 2.0.1, < 3.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
@@ -53,19 +53,19 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.3)
+    public_suffix (4.0.4)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (3.15.0)
+    rouge (3.17.0)
     safe_yaml (1.0.5)
     sassc (2.2.1)
       ffi (~> 1.9)
     sassc (2.2.1-x64-mingw32)
       ffi (~> 1.9)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    unicode-display_width (1.6.1)
+    unicode-display_width (1.7.0)
     wdm (0.1.1)
 
 PLATFORMS

Gruntfile.js

@@ -290,7 +290,7 @@ module.exports = function(grunt) {
         accessibility: {
             options: {
                 accessibilityLevel: 'WCAG2AA',
-                browser: true,
+                browser: false,
                 reportLevels: {
                     notice: false,
                     warning: false,
@@ -308,7 +308,7 @@ module.exports = function(grunt) {
 
     });
 
-    var buildTasks = [
+    grunt.registerTask('build', [
         'clean',
         'jekyll',
         'useminPrepare',
@@ -322,9 +322,7 @@ module.exports = function(grunt) {
         'sri_hash',
         'doctype',
         'htmlmin'
-    ];
-
-    grunt.registerTask('build', buildTasks);
+    ]);
 
     grunt.registerTask('test', [
         'build',