fix Issue 667: Sound effects should be on by default.
set Play Card Animation setting to true by default.
replace named constant.
fix for Issue 665: Card Selection with Deck Editor.
added new LinkLabel component which acts like a hyperlink.
update AboutDialog to use new LinkLabel component.
consolidate various url strings into URLUtils as named constants.
fix Issue 662: Move "More Themes Online" option from Settings menu...
update help hints for look & feel settings.
fix for Issue 646: suppress stats in console.
To show stats use "-DshowStats=true"
fix for Issue 661: Card animation plays in Text-Mode!
merge changesets from lodici