Minor update in topics information
Removing unused files
Fixing the 404 Page
Hackathon MercadoLibre and RedInnova
Fixing home title event
Change link to registration
Maps in es-ar
Fixing example in PHP-SDK
Translate to english Hackathon event
Translate to english next-events
Fixing category_id attribute on php-sdk example
heroku api health
Merge pull request #171 from prenzier/master

New Ruby and Python SDKs
new meli puzzle logo
New logo, url checker
Remove DS STORE