Update Mac version number in about dialog.


git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3037 d7be59e3-070e-4b9a-85a1-4646befae34d
Using a cmake variable for version number


git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3038 d7be59e3-070e-4b9a-85a1-4646befae34d
Fix ugly alpha issues on the icns file.


git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3040 d7be59e3-070e-4b9a-85a1-4646befae34d