Added event view activity.

src/com/studentersamfundet/app/Event.java

@@ -1,6 +1,9 @@
 package com.studentersamfundet.app;
 
-public class Event {
+import java.io.Serializable;
+
+public class Event implements Serializable {
+	private static final long serialVersionUID = 1L;
 	public int id;
 	public String title;
 	public String description;