add config description
Merge branch 'master' of github.com:julianwachholz/julianwachholz.ch

* 'master' of github.com:julianwachholz/julianwachholz.ch:
  update hostnames
  more ssl links pl0x
  use google's webfont roboto
  move pgp key link somewhere else
  Add analytics.
New key. Also add the ID in the footer.