Add HTML meta description
mobile device width
Adding Facebook OpenGraph meta tags which could be useful for sharing the event
Facebook/Twitter share button, hashtag
Add Twitter meta tags
Merge branch 'ap2013-twitter-meta' into ap2013-social
Add Twitter/Facebook/HTML meta tags
add via parameter to Twitter sharing button, force https
Merge branch 'ap2013-mobile' into ap2013
Merge branch 'ap2013-social' into ap2013
Replace Google Maps with OpenStreetMap