6446965: Using BigDecimal.divideToIntegralValue with extreme scales can lead to an incorrect result
Fix overflow of ints and ensure appropriate values passed to checkScaleNonZero()
Reviewed-by: darcy, martin
6601458: Move java.math tests from closed to open
6740185: Move java/lang/annotations tests to open
6759433: Move Math and StrictMath regression tests from closed to open
Move some more regression tests to the open
Reviewed-by: jjg