balance_tracker 6.x-1.3

Balance Tracker 6.X-1.3, 2009-06-29
-----------------------------------
by brianV: update CHANGELOG and tag for 1.3.
by brianV: Slight code reorganization - put the hook functions together.
#505050 by brianV: Fix admin/reports/balances showing 0 for user balances.
#502952 by brianV: Create a hook_update_N() entry, so the saved variable will be retained.
#502952 by brianV: Rename balance_tracker_custom_format to balance_tracker_custom_date_format.
by BrianV: create hook_balance_prewrite().
by brianV: Create a hook_balance_write that is called after a balance is successfully written.
#502952 by brianV: create date format settings on admin page, and format dates accordingly.