2.3.13 - Internal restrucuring and improvements

Added

• 248d858 Added Basque translation (Xabi)
• #707 Following breadcrumbs now closes sidebar (@nathanrdodson)

Improved

• #668 Add EXIF image description to sidebar (@jmc265)
• Fix slow query in getting media of a face by using another join (@Goppai)
• Improve how scanner tasks are structured internally
• Update API and UI dependencies

Fixed

• #664 Fix switching page causes setting to crash (@Phlogi)
• #656 Fix slow query in getting media of a face by using another join (@Phlogi)
• #648 Fix Postgres initialization error (@stavros-k)