re-implemented existing functionality in UI

- Correct player count is shown in server list
- Servers now advertise their capacity and number of players connected
- Players can click join on the servers in the server list
- Direct connect works
- Can set max players / server name in host dialog
- Server starts correctly when host clicked
- Implemented boat customization
- Implemented 'begin race button', and disabled it for players that aren't hosts
- Added countdown timer in lobby
- Fixed bug where app wouldn't close

Tags: #story[1245]

src/main/java/seng302/model/stream/xml/generator/Regatta.java

@@ -74,4 +74,12 @@ public class Regatta {
   public Double getMagneticVariation(){
       return magneticVariation;
   }
+
+    public void setCourseName(String courseName) {
+        this.courseName = courseName;
+    }
+
+    public void setRegattaName(String regattaName) {
+        this.name = regattaName;
+    }
 }