Preferences virker nu med save, reset og cancel.

Gemmes i Properties.Settings.Default
Merge branch 'master' of https://github.com/A307/BiddingAgent

Conflicts:
	BiddingAgent/Preferences.xaml
	BiddingAgent/Preferences.xaml.cs
	BiddingAgent/bin/Debug/BiddingAgent.exe
	BiddingAgent/bin/Debug/BiddingAgent.pdb