added some files into the svn:ignore property

git-svn-id: https://svn.apache.org/repos/asf/mina/ftpserver/trunk@1005907 13f79535-47bb-0310-9956-ffa450edef68
tree: a0e024d08330dc565913da9a971ea195ecda5bd4
  1. core/
  2. distribution/
  3. examples/
  4. ftplet-api/
  5. LICENSE.txt
  6. NOTICE.txt
  7. pom.xml