added function allNodesColors to write the strokeColor of a node to be the appropriate color if node is nominal or time. function called from scaffolding.
added function allNodesColors to write the strokeColor of a node to be the appropriate color if node is nominal or time. function called from scaffolding.

vjdorazio/TwoRavens,vjdorazio/TwoRavens,vjdorazio/TwoRavens,vjdorazio/TwoRavens,vjdorazio/TwoRavens