Add OGP meta and og-image.png.
Fix og-image.png.
Merge pull request #3 from cognitom/master

Add OGP meta and og-image.png
Update Using Stackicons-Social.md
Update index.html

Alt.net? I meant App.net. Thanks, Sean. More coffee needed...
Update index.html
Update examples.html
Update examples.html
Update examples.html
Removed extra <span> in Picasa