Remove superfluous printout from 'make check'

Signed-off-by: Jussi Virtanen <jussi.k.virtanen@gmail.com>
Upgrade to Fields 0.6.0

Upgrade from Sheets 0.3.3 to Fields 0.6.0. Besides the name change,
there are new features in error handling as well as minor fixes in
the parser. The new features will be taken into use in subsequent
patches.

Signed-off-by: Jussi Virtanen <jussi.k.virtanen@gmail.com>
Merge branch 'cleanups/make-check' of git://github.com/jvirtanen/pstore
Merge branch 'features/fields-0.6.0' of git://github.com/jvirtanen/pstore