Added the SDN class to deal with the SDN format. Related issue(s): APC-1094
Added the SDN class to deal with the SDN format.
Related issue(s): APC-1094

git-svn-id: a6571597954494654385eb5e6693f686f629ea20@511 bee1aa47-a06f-436c-a2f2-6a1efea3c100

dejlek/jlib