Change photo copyright icon to arrow
Show 16 entities per page
Disable Turbolinks, see if it helps with #65
Make photo footer a text, longer than a string
Don't show external link icon for photos if no source is available
Clean up post page a bit
Set default timezone (Madrid) and locale (Spanish)
Add Rails I18n
Add header photo (optional) to posts #67
Make Post list visual. Closes #67
Rename 'Posts' to 'Artículos' in header