Bugfix: InputDialog focuses to the edit field.
RangeFeederGUI and RandomFeederGUI do field value initialization asynchronously after the GUI is already shown.
Up and Down button listeners now work correctly if there is no selection at all.
git-svn-id: https://ipscan.svn.sourceforge.net/svnroot/ipscan/trunk/ipscan@112 375186e5-ef17-0410-b0b6-91563547dcda