Prepare for eventual update to sshd-core but not now because of [FTPSERVER-437] NoSuchMethodError when using FtpServer 1.0.6 with SshD 0.8.0 because of dependency on different mina-core versions.
Prepare for eventual update to sshd-core but not now because of [FTPSERVER-437] NoSuchMethodError when using FtpServer 1.0.6 with SshD 0.8.0 because of dependency on different mina-core versions.

git-svn-id: c455d203a03ec41bf444183aad31e7cce55db786@1403417 13f79535-47bb-0310-9956-ffa450edef68

mohanaraosv/commons-vfs,seeburger-ag/commons-vfs,seeburger-ag/commons-vfs,mohanaraosv/commons-vfs,seeburger-ag/commons-vfs,apache/commons-vfs,ecki/commons-vfs,apache/commons-vfs,ecki/commons-vfs,mohanaraosv/commons-vfs