re #37 make UI compatible with new User controller API
Error and information messages modified - correct error messages from backend are displayed and information messages are translated
Set vacation changed to add vacation
Frontend localization completed
User's notification settings is now displayed correctly
sickday refactored to sickDay
User service uses correct end point to delete calendar
Clicking on menu item refreshes logged user profile data in profile service
Modified api users service, fixed edit settings dialog
Re #7534 'Profile settings' component connected to the API
Re #7532 'Add vacation component' connected to the api
Removed unused imports
Re#7531 Components are guarded against invalid users
Re #7494 Components connected to API - except profile settings and add vacation components
Re#7528 Menu items are highlighted with correct default, added 404 page
Re#7527 SnackBar opens if the error occurs
Re#7527 Implemented import and export files on front end
Re #7499 User profile component initialized
Refactor service structure
Re#7494 Implemented edit user settings
Refactored all models
Re#7493 Fixed delete request
Re#7493 Fixed user service put request call
Re#7493 Finished services except xlsx service
Re#7493 Modified and tested Users service
Re #7475 Implemented basic localization with usage examples
Re#7459 Implemented first popup
Re#7472 Refactored services implemenation
Re #7462 Dashboard connected to GET methods of REST API
Re #7472 Fixed hard coded urls
Re #7472 Implemented services for REST API