RWGltf → TColStd Relation

File in src/RWGltf	Includes file in src/TColStd
RWGltf_CafWriter.hxx	TColStd_IndexedDataMapOfStringString.hxx
RWGltf_CafWriter.hxx	TColStd_MapOfAsciiString.hxx
RWGltf_GltfJsonParser.hxx	TColStd_IndexedDataMapOfStringString.hxx