Update README.md

Grunt package deploy-stating
old iphones fixes
merging again, old iphone fixes Merge branch 'master' of github.com:sharetribe/marketing-site
jpg images optimized
Scope trial to root element
Lightbox working much better
Fix merge error
Fix learn more scroll position
Fix portuguese
Remove Greek
Fix IE topnavi
Fix IE icon
Add baseline for templating
First pages to use new templating
Better build script
Make all pages to use header.html