Merge pull request #19 from ezoehunt/gh-pages

Add Master Branch link to topnav
Merge pull request #21 from ezoehunt/gh-pages

Add sitemap to gh-pages
Fixed the link in the ToC menu to the research report
Merge branch 'gh-pages' of https://github.com/tsmuse/FirefoxMarketplaceDevPagesDesign into gh-pages
Update sitemap
Merge branch 'gh-pages' of https://github.com/tsmuse/FirefoxMarketplaceDevPagesDesign into gh-pages