Includes DB changes, you need to log all terminals out during upgrade

This version includes a number of changes to help untangle some of the complex movement of parts & deposits that can arise when 'merge parts ready to invoice' feature in point of sale is used heavily. Specifics:

• View transaction changes
  • Related invoice changes
    • Include invoices where parts where moved from to as part of merge
    • Colour code lines. (Red: moved parts, Yellow: invoiced parts, Green: converted quote)
    • Add a button to expand the list and look at particulars such as date, order num, amount etc
  • Part list : show original invoice number if any
  • show deposit balance instead of deposit : more useful and intuitive thing to display
• Deposit history : show invoice type + no
• Print a4 invoice tweaks
  • audit list also includes figures from invoices that move into printed invoice
  • show invoice# + type in audit list
• disallow merge invoice into a new reserve.

Other changes and fixes:

• backfill linking of deposit reclaims on general ledger. This info was missing for a few versions of v5
• rework memorize clerk key to make UX / keyboard workflow a bit smoother & more predictable. Force clerk window to open but pre-populate it. This will allow memorize to work buy allow muscle memory inputting on clerk to continue to work fine. Also increase retention time from 30 seconds to 5 minutes.