Update gitignore
Add sample config file
Add cpanfile
Rewamped landing page
Remove log/ directory
Add sample() and docker() helper

  Need to come back:
  /opt/liveperl.us/bin/docker_start.pl
Add /tutorials
New tutorial layout
Move js and css code around
Fix detecting "sudo docker"
Merge pull request #1 from jhthorsen/layout/cover-by-mdo

Layout/cover by mdo