Inherit from DeprecationAlgorithm.  Refs #6348.
Fix some issues.  Refs #6348.

1. Rename property TimeType to UnitOfTime, and expand the doc;
2. Redfine default value of LogValueTolerance;
3. Fix a bug related to define the log value intervals;
4. Rename property SplittersInformationWorkspace to
InformationWorkspace;