www: add examples
update css
www: add footer
www: navbar
added some resources
Merge branch 'develop' into landing
Removing unnecesary cartodb.js image from README + back examples section
Changed cartodb.js lib for all examples
leaflet namedmap example changed
Tutorial and legends examples setting proper cartodb.js version
Avoiding problem uploading custom versions with new s3 task
fixed problem with uncompressed files version
fixed problem with uncompressed files version
finally fixed bug avoiding overwrite minor files in cartodb.js library
Changed releasing doc
Merge pull request #207 from CartoDB/landing

Moving landing branch to develop
Merge branch 'develop' into issue-205