Provisioning fails from unicode-named directory

[joemaller]

Running vagrant up from a directory with an umlaut fails to provision on the first task.

PLAY [all] *********************************************************************

TASK [Gathering Facts] *********************************************************
ok: [default]

TASK [Symlink XHProf display files into web root] ******************************
fatal: [default]: FAILED! => {
    "changed": false, 
    "failed": true, 
    "msg": "Error while linking: [Errno 2] No such file or directory", 
    "path": "/vagrant/site/xhprof", 
    "state": "absent"
}
	to retry, use: --limit @/private/tmp/testü/ansible/main.retry

PLAY RECAP *********************************************************************
default                    : ok=1    changed=0    unreachable=0    failed=1   

Ansible failed to complete successfully. Any error output should be
visible above. Please fix these errors and try again.

ref: #56