Add Show Itinerary presentation.
  Do not transform header text.
Ignore html directory.
Add pry.
Fix: presentation titles are not added to exported files.
  Remove ".html" from presentation paths.
Add List Itineraries presentation.
  Add smaller style.
Add Create Itinerary presentation.
  Use hash options in link_to calls:
    I thought that `link_to 'new', Itinerary.new` would work :p