Bug 605991 Help button on New and Edit Job dialogs brings up wrong help page. With this patch I linked almost all business features to corresponding help pages. For features not yet documented, the button will open the initial chapter of the business section.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23705 57a11ea4-9604-0410-9ed3-97b8803252fd