exofs: Print less in r4w
exofs: Print less in r4w

In debug mode exofs is too verbose. Hiding the real problems
remove some trivial stuff.

Also fix some other prints.

Signed-off-by: Boaz Harrosh <c7aa24d52dd751aba44a7843602dc14649cc8bce@panasas.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs