re #37 make UI compatible with new User controller API
re #28 update angular to 8.x
Frontend refactored
Remaining sickdays is now displayed correctly
sickday refactored to sickDay
Profile reload on add/remove vacation + removed uncecessary API calls when employee is logged in
Calendar is refreshed after vacation deletion
Oncoming vacation component is now refreshed after vacation request
Edit vacation component removed
Approval components are visible only to empoloyer
Modified api users service, fixed edit settings dialog
Re #7532 'Add vacation component' connected to the api
Removed unused imports
Re #7499 User profile component implemented + refactor
Re #7494 Components connected to API - except profile settings and add vacation components
Refactor service structure
Re #7498 Global settings component implemented
Refactored all models
Re #7500 Day picker component modified - displaying vacations + emits change of month
Re #7475 Implemented basic localization with usage examples
Re #7462 Dashboard connected to GET methods of REST API
Re #7458 Basic features of add days off component implemented
Fixing directory structure