Merge pull request #79 from Caged/update-d3

Update d3

Author: Justin Palmer

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "d3-tip",
-  "version": "0.6.4",
+  "version": "0.6.5",
   "main": "index.js",
   "ignore": [
     "**/.*",
@@ -12,6 +12,6 @@
     "docs"
   ],
   "dependencies": {
-    "d3": "3"
+    "d3": "3.4"
   }
 }