Update devDependencies.

[skip sauce]

Gruntfile.js

@@ -350,7 +350,7 @@ module.exports = function (grunt) {
       options: {
         ignore: [
           'Attribute "autocomplete" not allowed on element "button" at this point.',
-          'Attribute "autocomplete" not allowed on element "input" at this point.',
+          'Attribute "autocomplete" is only allowed when the input type is "color", "date", "datetime", "datetime-local", "email", "month", "number", "password", "range", "search", "tel", "text", "time", "url", or "week".',
           'Element "img" is missing required attribute "src".'
         ]
       },

package.json

@@ -33,28 +33,28 @@
     "grunt": "~0.4.5",
     "grunt-autoprefixer": "~3.0.3",
     "grunt-contrib-clean": "~0.6.0",
-    "grunt-contrib-compress": "~0.13.0",
+    "grunt-contrib-compress": "~0.14.0",
     "grunt-contrib-concat": "~0.5.1",
-    "grunt-contrib-connect": "~0.10.1",
+    "grunt-contrib-connect": "~0.11.2",
     "grunt-contrib-copy": "~0.8.0",
     "grunt-contrib-csslint": "~0.5.0",
-    "grunt-contrib-cssmin": "~0.12.3",
-    "grunt-contrib-htmlmin": "~0.4.0",
+    "grunt-contrib-cssmin": "~0.14.0",
+    "grunt-contrib-htmlmin": "~0.6.0",
     "grunt-contrib-jade": "~0.15.0",
     "grunt-contrib-jshint": "~0.11.2",
     "grunt-contrib-less": "~1.0.1",
     "grunt-contrib-qunit": "~0.7.0",
     "grunt-contrib-uglify": "~0.9.1",
     "grunt-contrib-watch": "~0.6.1",
-    "grunt-csscomb": "~3.0.1",
+    "grunt-csscomb": "~3.1.0",
     "grunt-exec": "~0.4.6",
-    "grunt-html": "~4.0.3",
+    "grunt-html": "~5.0.1",
     "grunt-jekyll": "~0.4.2",
-    "grunt-jscs": "~1.8.0",
+    "grunt-jscs": "~2.2.0",
     "grunt-saucelabs": "~8.6.1",
     "grunt-sed": "twbs/grunt-sed#v0.2.0",
-    "load-grunt-tasks": "~3.2.0",
-    "markdown-it": "^4.4.0",
+    "load-grunt-tasks": "~3.3.0",
+    "markdown-it": "^5.0.0",
     "npm-shrinkwrap": "^200.4.0",
     "time-grunt": "^1.2.1"
   },