version 7.5

1. new feature: show orders for a specific customer
2. new feature: added new type for items: trial
3. bug fix: item count is incorrect when items are grouped by deliveries
4. code refactoring
5. minor bug fixes
version 7.6

1. new feature: customer detail link in order list
2. small bug fixes
version 7.7

1. new feature: added order sum for each customer
2. bug fix: priority index formular adjustment