bizgres - bizgres: Weekly Traffic Activity report.

Log Message:
-----------
Weekly Traffic Activity report.  Has a mandatory parameter called
"week_end_date" which is the last day of the seven day span to report
on.

There is a table and a line chart showing pageviews, sessions and users
per day for the week, where week is a rolling 7 day period ending on
the value passed in.

TODO: Add summaries

Added Files:
-----------
    bizgres/JasperReports/reports:
        WeeklyTrafficActivity.jrxml (r1.3)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/JasperReports/reports/WeeklyTrafficActivity.jrxml?rev=1.3&content-type=text/x-cvsweb-markup)