create controller StaticPages without test frame
add rspec test for home
adjustify the .rspec and spec_heler, to make Capybara work with color; write home.html to pass the test
add test for help page
write content for the help page to pass the test
add page about to pass the text
add new test for the right title use have_selector function
write to pass the title test
add variables with provide funcion and yield function for the title. yet need to DRY out the duplication as well as the code in views
modified the application layout to make the title variable
dry out the duplication of the views page. use layouts