git-svn-id: https://svn.apache.org/repos/asf/poi/branches/ss_border_property_template@1748062 13f79535-47bb-0310-9956-ffa450edef68
rename PropertyTemplate to BorderPropertyTemplate rename Extent to BorderExtent git-svn-id: https://svn.apache.org/repos/asf/poi/branches/ss_border_property_template@1747884 13f79535-47bb-0310-9956-ffa450edef68