Button Row minimum size set to 40
Removed one row of the ContactListJPanel. There now only the one for the
list and the one for the button.
Set the vertical property to Grow
Moved the Search to the Top. I think it looks nicer and has more space
Set frame minimum size to 600x300
Set all the labels to English as all the buttons are in English. Or we
make everything in German...
Frame mimimum size to 650x300