Add accounts and booking templates for credit invoices.
Add accounts and booking templates for credit invoices.

hauledev/bookyt,xuewenfei/bookyt,wtag/bookyt,silvermind/bookyt,gaapt/bookyt,gaapt/bookyt,gaapt/bookyt,xuewenfei/bookyt,hauledev/bookyt,hauledev/bookyt,silvermind/bookyt,huerlisi/bookyt,wtag/bookyt,hauledev/bookyt,silvermind/bookyt,gaapt/bookyt,huerlisi/bookyt,huerlisi/bookyt,silvermind/bookyt,wtag/bookyt,xuewenfei/bookyt