libs: update nfs library to 0.7.1

fixes IO on 'dot' files.
fixes misbehavior in reboot recovery

Changelog for nfs4j-0.7.0..nfs4j-0.7.1
    * [eb6adf4] vfs: chimera: let inode to call setStat()
    * [d5b5a52] nfs4: implement missing RECLAIM_COMPLETE
    * [f361946] nfs4: fix open CLAIM_PREVIOUS
    * [a6d7c13] pom: enforce  maven-release-plugin 2.4.2

Acked-by: Albert Rossi
Target: master, 2.7

Require-book: no
Require-notes: yes