Merge branch 'release/v2.10.7' into develop
Fix path to guacamole and avango.
Add flags for PBR support.
Add PLODNode wrapper.
Add PBRNode wrapper.
Add PBR and PLOD wrapper.
Fix include file.
Add simple example for PLOD loader and Node.
Add simple example for PBR loader and node.
Make PBR support optional.
Bump version number.
Merge branch 'release/v2.11.1'