snapshot
add DisplayRealType for renderOrderPriority
get renderOrderPriority from ConstantMap, not via addReference(s)
switch priority from int type to double
get renderOrderPriority from incoming ConstantMaps via the link
change render order from int type to double
make it actually work.
snapshot, now includes reorderRenders from DisplayImpl
change depthPriority to orderPriority
change depthPriority to orderPriority
check incoming renderers for Display match
get latest from master, but keep separate branch.
Merge branch 'master' into renderOrderPreference
fix up (remove extra spaces)
remove unused method
remove unused method
add resetRendererOrder method
remove unused ArrayList import
documentation for RenderOrderPriority
add documentation
fix doc error