with total limit or separate settings for uploads and downloads and
overrides based on the client's IP address.
Limits can be reset using the REST API
Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
We now return 552 code for quota exceeded errors and 553 in the following
cases:
- filename denied by a filter
- no upload permission
- no overwrite permission
- pre upload hook error
Fixes#442
