website: upgrades haiku

Fixes random code rendering issues (caused by on old version of
the marked sub-dependency).

Change-Id: Id6661bdbd600364022ef493a3a08362a3cf15b06
diff --git a/package.json b/package.json
index 8454560..b2715e3 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "cheerio": "^0.20.0",
     "format": "^0.2.2",
     "graceful-fs": "^4.1.3",
-    "haiku": "^0.2.13",
+    "haiku": "^0.2.14",
     "jshint": "^2.9.1",
     "less": "^2.5.3",
     "marked": "^0.3.5",