New audit messages

Hi all, I did what I could based on current feedback to improve the audit messages and make them clearer and less threatening. If you didn't feel comfortable with the previous version, please check the new text and tell me what you think about it (what you don't like, suggestions to make it better, patches, etc http://git.fedorahosted.org/git/fontpackages.git?p=fontpackages.git;a=blo... -- Nicolas Mailhot