Code cleanup and removal of repetitions
further smaller cleanups
image keys are now passed as md5 hashes in urls
Shortened image URLs
Changed folders in url to a more copy-paste-friendly way
Bugfix: No images were shown when first category had many pics
Optimizations for Links in Facebook
Preview images for facebook
Translation improvements
Typos
URL optimizations
Security: Local installations can only be accessed by localhost
Security: Prevent page code from being called directly
Images now correctly determine their context. This page though still needs code cleanup
Bugfixes
Facebook sharing of images
Sharing of events
Timing issues in overview
Optical fix
Optimizations for mobiles and tablets