big updat:

- update dependencies
- add webp support and webp conversion for profile images

node_modules/gif.js/site/package.json

@@ -0,0 +1,11 @@
+{
+  "private": true,
+  "dependencies": {
+    "wintersmith-browserify": "*",
+    "wintersmith-less": "*",
+    "wintersmith-nunjucks": "*",
+    "browsernizr": "*",
+    "async": "~0.2.8",
+    "highlight.js": "~7.3.0"
+  }
+}