Changed code so that the information needed to connect to the database is passed to it by the server class

 Conflicts:
	SchedulerApp/src/main/java/com/example/schedulerapp/Controller.java
	SchedulerApp/src/main/java/com/example/schedulerapp/Model.java

Added functionality to remove the employee shift by using the unique shift id to both the server and client side.

added attributes, get/set methods to model