Added new layout checking RPC for NexSigns web-api
Improved on new publishing algorithm for NexSigns layout
Added custom invoice PDF viewer within OnePass billing system
Improve the billing system web-api to support check/cash payment
Bug Repair
Repaired a problem where billing system web-api cannot process post-payment command as expected
Repaired a problem where network connectivity error casuing bit-flip result in corrupting data-records
Repaired a problem where WarpPOS license checking API uses excessive CPU processing power if more than 5 connections are established within 30 seconds interval
Repaired a dead-lock problem in LiveAds API when WarpPOS machine requesting advertisement and no advertisement is available
Repaired a excessive memory usage problem during generation of PDF invoice
Repaired a problem where AWS network interface change will cause the system cache to falsely believe its own MAC address