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