Added .gitignore entry to ignore coverage stuff.
Formatting in html_view.rb
Moved TextView over to the same builder/renderer model that HtmlView
uses. Added code to support indentation / nesting.
Added link handler to TextBuilder
Quick refactoring.
Fixed incorrect specs (they had calls to strip in them that were
leftovers from the html_view specs).
Added route for text versions of documents. Generally cleaned up code.