MosaicSceneWidget.h: 2011-07-29 Steven Lambright - Z-ordering is now saved and...

MosaicSceneWidget.h: 2011-07-29 Steven Lambright - Z-ordering is now saved and restored in the project files. references #275 

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@2901 41f8697f-d340-4b68-9986-7bafba869bb8