[X-update] fix easy miss (unlink -> rmdir) on FtpCommonFunc::_cleanup
[X-update] fix Xupdate_FtpCommonFunc::_cleanup()
[X-update] changes to the module update after the file uploaded
[X-update] changes to the module install after the file uploaded (New)
[X-update] show Error output in (unzip|tar) command
Merge branch 'xupdate' into stable