Authenticate User

Går ned i databasen og sammenligner indtastede var med databasen..
Spiller ikke sammen med GiantSwitch endnu
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/GiantSwitch.java
	src/model/Model.java
Merge branch 'master' of https://github.com/Distribuerede-systemer/server

Conflicts:
	src/GUI/GUILogic.java
Refactor

Test af refactor af nogle få klasser.
Revert "Refactor"

This reverts commit 5fbd902ccd42b03f9c14a18e8bac4d59bb0876c3.
Conflict i model fixed