Merge pull request #2 from jules27/software_hardware_pages

Software hardware pages
Remove unit test files. Add rspec to Gemfile and add initial folder and files.
Add more files and folders to rspec suite. Add tests for landing page's backing section.
Add tests for the second preorder button and FAQ section in the landing page.
Merge pull request #3 from jules27/landing_page

Landing page
Merge branch 'master' into software_hardware_pages
Add tests for hardware page.
Clarify a test in landing page.