Fix link 03-attivita.html
Update hashtag tweet
Update email popup
Add advanced buttons js (bootstrap3)
Merge branch 'development'
Insert alert in 00-index.html
Update simpleform api token
Fix typo
Update bootstrap.css

Remove grid layout
Update bootstrap.css

Remove grid layout
Merge branch 'master' into development
Fix media queries
Merge branch 'master' into development
Remove alert