0027729: UnifySameDomain: allow the user to specify linear and angular tolerances

0027729: UnifySameDomain: allow the user to specify linear and angular tolerances

- New methods SetLinearTolerance and SetAngularTolerance have been added in the class ShapeUpgrade_UnifySameDomain.
- The algorithm has been modified to consider new parameters when checking if two faces are same domain.
- The draw command unifysamedomain has been changed to accept new parameters.
- The internal method MergeSeq has been changed to avoid exception connected with access to unknown key in the data map.