pgloader - pgloader: Add support for --quiet and --summary options, in

Log Message:
-----------
Add support for --quiet and --summary options, in order to provide some
way to only see errors on output.

Modified Files:
--------------
pgloader:
pgloader.1.txt (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader.1.txt.diff?r1=1.1&r2=1.2)
pgloader.py (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader.py.diff?r1=1.2&r2=1.3)
pgloader/debian:
changelog (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/debian/changelog.diff?r1=1.3&r2=1.4)
files (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/debian/files.diff?r1=1.2&r2=1.3)
rules (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/debian/rules.diff?r1=1.1&r2=1.2)
pgloader/pgloader:
db.py (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader/db.py.diff?r1=1.4&r2=1.5)
options.py (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader/options.py.diff?r1=1.2&r2=1.3)
pgloader.py (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader/pgloader.py.diff?r1=1.4&r2=1.5)
textreader.py (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader/textreader.py.diff?r1=1.2&r2=1.3)
tools.py (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/pgloader/tools.py.diff?r1=1.2&r2=1.3)