Use local time in organization charges report, rather than UTC.

For consistency with the late shift report and others.  Will later tie into
other timezone work related to #298.

app/reports/list_organization_charges_report.rb

@@ -44,11 +44,12 @@ def sql
     end
 
     query.select('organizations.name AS \'Organization\'', 'charges.amount AS \'Amount\'',
-                 'charge_types.name AS \'Charge Type\'', 'charges.charged_at AS \'Charged At\'',
+                 'charge_types.name AS \'Charge Type\'',
+                 'DATE_FORMAT(CONVERT_TZ (charges.charged_at, \'UTC\', \'US/Eastern\'), \'%m/%d/%Y %h:%i %p\') AS \'Charged At\'',
                  'charges.is_approved AS \'Approved\'',
                  'creating_participants_charges.andrewid AS \'Creator\'',
                  'participants.andrewid AS \'Issuer\'',
                  '(SELECT participants.andrewid FROM participants WHERE participants.id = charges.receiving_participant_id) AS \'Receiver\'',
                  'charges.description AS \'Description\'').to_sql
   end
-end
+end