Added a new multi column layout (It's the default) that lets you specify the number of columns on screen (overflow is stacked in the rightmost column)
Merge branch 'master' of https://github.com/fjolnir/xnomad

# By Fjölnir Ásgeirsson
# Via Fjölnir Ásgeirsson
* 'master' of https://github.com/fjolnir/xnomad:
  Updated to a screenshot of my fancy new monitor
  Update README.md