NICTA/nationalmap — pull request #438 by kring (2014-11-06 00:29:51+00:00)
Title: Preserve opacity and layer order on sharing

The underlying problem was that the `opacity` and `nowViewingIndex` properties were not being serialized, but I also refactored things a bit so that the different view-models class can now declare which of their properties should be serialized for sharing.