Added svnant.home build property.  Makes it easy to store svnant jars somewhere other than under the findbugs dir.  Also fixed some indentation.
Added svnant.home build property.  Makes it easy to store svnant jars somewhere other than under the findbugs dir.  Also fixed some indentation.

git-svn-id: e7d6bde23f017c9ff4efd468d79d66def666766b@9332 eae3c2d3-9b19-0410-a86e-396b6ccb6ab3

spotbugs/spotbugs,sewe/spotbugs,spotbugs/spotbugs,KengoTODA/spotbugs,sewe/spotbugs,KengoTODA/spotbugs,johnscancella/spotbugs,johnscancella/spotbugs,sewe/spotbugs,spotbugs/spotbugs,spotbugs/spotbugs,johnscancella/spotbugs,KengoTODA/spotbugs,spotbugs/spotbugs,KengoTODA/spotbugs,johnscancella/spotbugs,sewe/spotbugs