srm/transfermanager: make errors less noisy

This patch adds a part of an earlier patch that was mistakenly
omitted in commit 092c797.

Patch: http://rb.dcache.org/r/6886
Acked-by: Tigran Mkrtchayn
scripts: fix shell-specific expansion

A recent commit (c0f05a82) introduced a non-standard shell expansion
that broke the 'dcache' command on many platforms.  This patch fixes
that.

Target: master
Patch: http://rb.dcache.org/r/6888/
Acked-by: Gerd Behrmann
libs: update to nfs4j-0.7.5

Changelog for nfs4j-0.7.4..nfs4j-0.7.5
    * [b9a38a2] nfs: propagate nfs exception on readdir
    * [fa04d9e] vfs: chimera: do extra access check only for regular inodes
    * [56513fe] vfs: fix io on levels

Acked-by: Alber Rossi
Target: master, 2.8, 2.7
Require-book: no
Require-notes: no