Dont save payments with a zero alloc amount, delete payments with a zero alloc amount, fix javascript calculating payment balance

resources/views/email/user/invoice.blade.php

@@ -12,6 +12,8 @@ A new invoice has been generated on your account. A summary of that invoice is b
 ||| Sub Total | ${{ number_format($invoice->sub_total,2) }} |
 ||| Tax | ${{ number_format($invoice->tax_total,2) }} |
 ||| Total | ${{ number_format($invoice->total,2) }} |
+||| Payments | ${{ number_format($invoice->paid,2) }} |
+||| Still Due | ${{ number_format($invoice->due,2) }} |
 @endcomponent
 
 If you would like a PDF copy of that invoice, please click on the link below:

resources/views/theme/backend/adminlte/a/payment/addedit.blade.php

@@ -219,7 +219,7 @@
 			var alloc = 0;
 
 			$('.invoice').each(function() {
-				alloc += $(this).val();
+				alloc += parseFloat($(this).val());
 			})
 
 			$('#balance').val(($('#total_amt').val()-alloc).toFixed(2))