namespace: add missing webapp

to use:

$ curl  --data-urlencod "path=/cloud/home/user17" --data-urlencod "uid=17" --data-urlencod "gid=15" http://localhost:9998/ws/mkdirs
$ curl -v http://localhost:9880/ws/stats/0000C870FEE990CE411E892E08DAE78ED8FA

Ticket: #number
Acked-by:
Target: trunk
Require-book: no
Require-notes: no