add StaticPages controller
add failing rspec test
fix rspec test with updated home page
test for help page
update help page content to pass rspec test
about test, and page added by hand
repeated code to DRY out
use default layout to yield the correct title

This turns each of the static_pages views back into non html files,
and relies on the application.html.erb to set up the page, and print
out the title. All that really stayed in these files are the lines
that provide(:title, 'String') and the default layout does the rest