Avoid deploy bug during clear_zafu, clear_cache rake tasks by checkin existence of sites directory.
Avoid deploy bug during clear_zafu, clear_cache rake tasks by checkin existence of sites directory.


git-svn-id: e099d366fb13ea49c9e8e170ced890dab3ea84f7@832 aaa19a3b-e121-0410-9d45-962fd44e537e

BackupTheBerlios/zena,BackupTheBerlios/zena,zena/zena,zena/zena,zena/zena,zena/zena,BackupTheBerlios/zena