gnucash maint: Add some verbosity to scrubbing

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/de8d4c80 (commit)
	from  https://github.com/Gnucash/gnucash/commit/208cf514 (commit)



commit de8d4c801f623d3b521c4df1d163e939751c12c9
Author: Geert Janssens <janssens-geert at telenet.be>
Date:   Mon Feb 23 00:29:06 2015 +0100

    Add some verbosity to scrubbing
    
    This gives the user a primitive way to track progress for long
    running Check & Repair actions by adding
    --log gnc.engine.scrub=info to the command line options



Summary of changes:
 src/engine/Scrub.c                   | 14 ++++++++++++--
 src/engine/ScrubBusiness.c           | 26 +++++++++++++++++++++++---
 src/gnome/gnc-plugin-page-register.c | 23 ++++++++++++++++-------
 3 files changed, 51 insertions(+), 12 deletions(-)