wavded/graygelf — pull request #3 by danmilon (2013-02-19 20:04:30+00:00)
Title: do not get the hostname for every message

`os.hostname()` will [uname](http://linux.die.net/man/2/uname) every time on linux. ([proof](https://gist.github.com/danmilon/4989367))

We better get it once and call it a day.