Add 2 steps to scenario for linking page using edit
Merge page edit view CSS changes from marian
* app/views/pages/_form.html.erb: Tweaked wording of link_visible label
extracted inline styles from checkbox into application.css
Add cucumber step to find link in footer
view spec adjusted to look for incoming variable with page links
make links in _footer3 be retrieved from an instance variable
* spec/views/layouts/application.html.erb_spec.rb: Assign an empty pages hash when no visible pages
move pages into before block