[MODIF] Synchronization between writer thread and test-suite main
thread. Waiting for data to be stored in database.
[ADD] Added .gitignore for submodule.
[ADD] Paritally implemented policy apply unit-test.
[MODIF] Swap expected and actual values in assertion methods according
to logic.
[MODIF] Using builder pattern.
[MODIF] Renamed Record status.
[STYLE] Access static fields in a static way.
[FIX] Passed test, fixed values to be compared.
[MODIF] Extended test to check piling-up policies.