A free tool has risen

[Znurre]

I must congratulate you. This is very well done.
I do however have some problems with the version you provided.

As I use 64-bits Linux Java WebStart is not available for me, so I downloaded the .jar files from the lib directory and tried to launch the application, which failed.

Exception in thread "main" java.lang.NoClassDefFoundError: org/jdom/Content             
        at regnumhelper.gui.FigurePanel.<init>(FigurePanel.java:48)                     
        at regnumhelper.gui.RegnumHelperFrame.<init>(RegnumHelperFrame.java:85)         
        at regnumhelper.Main.<init>(Main.java:48)                                       
        at regnumhelper.Main.main(Main.java:138)
Caused by: java.lang.ClassNotFoundException: org.jdom.Content
        at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)
        ... 4 more

Jdom is installed using my package manager and all lib Jar-files are in the same directory

Another thing...
What if you have so much items in your clan bank that the scrollbars will still display if you stretch the window all over the screen?

Still - great work!