Added voucher/referral number to the new encounter form.
Added option in checkout to compute taxes before applying adjustments.
Include adjustment-only voids in the Receipts/Invoices by Payment Method report.
Added the Restricted Projects Report.
Various changes as requested to the checkout receipt and form.

* Form shows visit date instead of data entry date for charge items.
* Removed date from receipt header.
* Removed "Today's Visit" line from receipt.
* "Charges" header in receipt now shows visit date.
* Payment lines in receipt now show payment date instead of visit date.
* Ref No in receipt payment lines now shows memo (if present) instead of "Payment Pt".
Added products to the Restricted Projects report, and made the report optional.
Add adjustments to receipt summary, and print date to bottom of receipt.
Moved taxes in checkout form and receipt to appear after Charges and before adjustments.
Show age instead of age range in Restricted Projects Report.
Modified Referrals Report to show provider's name if Organization is empty.
Added protection from concurrent Fee Sheet updates by different users.
Changed Services by Category report to show a separate column for each related code type.