Reformatted the index of the page and fixed the credits section
Add return to main page link at bottom of page layout.
Manually implemented #310 from @Trismegiste.
Merge branch 'gh-pages' of github.com:codeguy/php-the-right-way into gh-pages
Merge branch 'page-footer-link' of https://github.com/chaseconey/php-the-right-way into gh-pages
Merge pull request #351 from ericmartel/index

Reformatted the index of the page and fixed the credits section
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages