Update dependencies.

package.json

@@ -20,29 +20,29 @@
   "private": true,
   "dependencies": {
     "async": "~2.1.4",
-    "body-parser": "~1.16.0",
+    "body-parser": "~1.17.1",
     "compression": "~1.6.1",
     "date-utils": "~1.2.19",
     "ent": "~2.2.0",
     "errorhandler": "~1.5.0",
-    "express": "~4.14.0",
+    "express": "~4.15.2",
     "grunt": "~1.0.1",
     "grunt-autoprefixer": "~3.0.4",
     "grunt-contrib-clean": "~1.0.0",
     "grunt-contrib-copy": "~1.0.0",
     "grunt-contrib-less": "~1.4.0",
-    "grunt-contrib-uglify": "~2.0.0",
-    "grunt-docs": "git://github.com/gruntjs/grunt-docs.git#5c1edec563163d770a4a12e7c169f6cade683ea9",
+    "grunt-contrib-uglify": "~2.2.0",
+    "grunt-docs": "git://github.com/gruntjs/grunt-docs.git#9c53d14c9ae4c6ffd73a4466b463dbf69ea71618",
     "grunt-sitemap": "~1.2.1",
-    "highlight.js": "~9.9.0",
+    "highlight.js": "~9.10.0",
     "less-plugin-clean-css": "~1.5.1",
     "lodash": "~4.17.4",
     "marked": "https://github.com/vladikoff/marked/tarball/master",
     "matchdep": "~1.0.1",
     "method-override": "~2.3.5",
     "node-schedule": "~1.2.0",
     "pug": "~2.0.0-beta4",
-    "request": "~2.79.0"
+    "request": "~2.81.0"
   },
   "devDependencies": {
     "grunt-concurrent": "~2.3.0",