added InternedStringData/InternedStringVectorData to DespatchedTypedData
sceneInterface:link has now been broken down into sceneInterface:root, sceneInterface:fileName and sceneInterface:time in the LinkedScene, although the mechanism for writing a retimed link remains the same
changed the names of the link/time attributes in the LinkedScene
totally disabled time remapping for legacy linked scenes, plus fixed a typo/bug
fixed first time write bug