bump to v3.1.4 [publish binary]

CHANGELOG.md

 # Changelog
 
+## 3.1.4
+
+ - Added support for node v6
+
 ## 3.1.3
 
  - Upgrade to node-pre-gyp@0.6.26 with better support for Electron

package.json

 {
     "name": "sqlite3",
     "description": "Asynchronous, non-blocking SQLite3 bindings",
-    "version": "3.1.3",
+    "version": "3.1.4",
     "homepage": "http://github.com/mapbox/node-sqlite3",
     "author": {
         "name": "MapBox",