Force creation of symlink
Force creation of symlink

In this way in the log we don't have this output, it is forcing the creation every time and keep constistency with other utilities:

```
    default: ln: 
    default: failed to create symbolic link './index.php'
    default: : File exists
```
Varying-Vagrant-Vagrants/vvv-utilities,Varying-Vagrant-Vagrants/vvv-utilities