must exclude .svn folders from clean
must exclude .svn folders from clean

git-svn-id: 6c68d65edd5507bf6b37474e0d155329cbeeff2a@1175233 13f79535-47bb-0310-9956-ffa450edef68

apache/lucenenet,NightOwl888/lucenenet,mdissel/lucene.net,NightOwl888/lucenenet,zmaruo/lucenenet,apache/lucenenet,sisve/lucenenet,zmaruo/lucenenet,laimis/lucenenet,NightOwl888/lucenenet,jpsullivan/lucenenet,apache/lucenenet,laimis/lucenenet,apache/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,mdissel/lucene.net,jeme/lucenenet,antiufo/lucenenet,jeme/lucenenet,antiufo/lucenenet,jpsullivan/lucenenet,sisve/lucenenet