implemented all security services. admin stuff left still
beginnings of task management for tiling and conversion
more task management
path the way to unified online/offline tiling/conversion: interfaces
more admin stuff: adding raw datasets is now possible
forgot about description in dataset addition
beginning file upload
darn file upload is taking longer than expected
Finished File Upload
made file upload size configurable
start of pretiling
some bug fixes. still a task resume issue left
Finished PreTiling incl. offline tool
Merge branch 'develop'