merge. changes in revert_rate.py

Change-Id: I23ee9d7d9aab89465d73bb711a4fc81dbc48d8c5

merge. changes in revert_rate.py

Change-Id: Ic3bc24ae24ef5609d16f79c15dfbb6d896ab7f6f

add. test for RevertRate.

Change-Id: Ia93567569c604564c30a3e76371c03570b2305b7

 tag. UMAPI version 0.1.5.

Change-Id: Id41fc14a95882ab2d416c85bb86b3c07dc8a145c
Merge "merge. changes in revert_rate.py"