Use inkscape to generate png's from inkscape slides
Enemmän ilmaa aikataulukelmuihin
Reuse old slides instead of deleting previous slides and creating new
Background worker daemon for updating httpslides and schedules
Add schedules controller to top navigation tabs
BUGFIX: schedules#edit form destination url
TYPOFIX: next_up_group -> up_next_group
Regenerate schedule slides when updating a schedule
Name-collision in slide.public :( needs a more durable fix later
Add external id for importing schedules
BUGFIX generate_up_next_slide
Only sleep for 60 seconds between updating cycles
BUGFIX: clone
BUGFIX: slidedata fields were generated incorrectly
Better slidedata handling
Rename schedule's groups on update
Use transaction in generate_slides to prevent slide hiding race conditions