added parts of client swingUI
	modified:   src/main/java/org/tuwien/swalab2/swazam/client/Client.java
	new file:   src/main/java/org/tuwien/swalab2/swazam/client/clientUI/SwingUI.form
	new file:   src/main/java/org/tuwien/swalab2/swazam/client/clientUI/SwingUI.java
some refactoring

modified:   src/main/java/org/tuwien/swalab2/swazam/client/Client.java
new file:   src/main/java/org/tuwien/swalab2/swazam/client/clientUI/Cli.java
new file:   src/main/java/org/tuwien/swalab2/swazam/util/Fingerprint.java
modified:   ../swazam-peer/src/main/java/org/tuwien/swalab2/swazam/peer/Peer.java