#65. Working on implementing distance based parameter definition.
Added parameter information for DistanceParamDef and PointParamDef.
#65. Added support for integer parameters and tests for the same.
#65. Renamed the new ParamInformations for greater clarity. DistanceParamDef --> PositionParamDef; PointParamDef --> FixedValueParamDef.
Close #65. Merge branch 'intBayOpt'