* Since we're promoting everything, we reset the behaviour of
RDTreeWidget so that it's not doing anything different by default.
* RDTreeWidget's interface is a bit different, exposing some useful
things like a single selected item and so on.
* We also can't set columns in the Qt Creator UI anymore, so we set them
from code.
* We previously were only checking if all lookups had completed before
self-deleting, but we also need to make sure nothing externally is
still holding onto the dialog.
* Note, this API is still in-flux and beta, so there may still be some
more changes before it's 'stable', and even then it will still be
subject to some amount of change.
* This API is then exposed to python via SWIG bindings and hides
internals that don't need to be visible, and means the actual API is
easier to work with.
* We also use this API to reduce inter-dependencies between different
windows that need to interact with each other at a high level.
* The naming is python/standard RenderDoc TitleCase method names, not
Qt style camelCase methods.
# Conflicts:
# qrenderdoc/Windows/PipelineState/D3D11PipelineStateViewer.cpp
# qrenderdoc/Windows/TextureViewer.cpp
baldurk