dominictarr/npmd — pull request #68 by juliangruber (2014-05-27 11:10:50+00:00)
Title: create db-path

so you don't get

```
events.js:72
throw er; // Unhandled 'error' event
^
OpenError: IO error: /home/ubuntu/.npmd/db/LOCK: No such file or directory
at /usr/local/lib/node_modules/npmd/node_modules/levelup/lib/levelup.js:114:34
```

on the first run