Update index.haml

integrate lien ThingLink
Add Soundcloud example in 3.haml
Add Soundcloud example in 3.haml

 + Change header and footer images
Merge branch 'master' of https://github.com/Em-AK/fyow
Add souncloud integration example in 3.haml

 + Change header and footer images
Merge branch 'master' of https://github.com/Em-AK/fyow
widget