Leave application is not split according to the latest Leave period changes made
Steps:
1. Create the initial leave period start date as Jan 01
2. Apply a leave that spans across current and next leave period (eg; 28th Dec 2010 - 5th Jan 2011)
3. Observe the leave summary (It is broken according to the current leave period definition)
4. Change the leave period start date to Jan 03
5. Observe the above leave (The above leave remains unchanged. It does not change itself according to the latest leave period definition)