Update SeaMonkey-web-browser.desktop
Update SeaMonkey-mail-and-news.desktop
Update SeaMonkey-Composer-html-editor.desktop
Update SeaMonkey-Addressbook.desktop
Delete isomaster.xpm
Update ISOMaster-iso-file-editor.desktop
Delete seamonkey16.xpm
Delete mhwaveedit.xpm
Update mhwaveedit-sound-recorder-editor.desktop
Update MP-console-editor.desktop
Delete mp.xpm
Delete mp16.xpm
Merge pull request #317 from zigbert/patch-2

more .desktop cleanup