Reorganized Javascript code
Implemented navigation for catalogs
Added synchronization of medial model on catalog selection and on reload
Added support for breadcrumb navigation.
Started implementation of main view
Refactored naming to "audio" instead of "music"
Implemented display of folders and images
- Layout fixes
- Fixed double loading behavior
- Simplified code
- Added modal overlay for long running queries
- Fixed startup procedure without route
- Refactoring of location model
- Proper initialization of all entities with the location model
- Minor fixes
- Completed navigation for image catalogs