[branches/1.0] made TargetSRID virtual so it behaves the save as SRID
[branches/1.0] made TargetSRID virtual so it behaves the save as SRID


git-tfs-id: [https://tfs.codeplex.com/tfs/TFS01]$/SharpMap/Branches/1.0;C104902

nhvu1988/SharpMap,SharpMap/SharpMap,nhvu1988/SharpMap,SharpMap/SharpMap