Add general infrastructure to apply modifiers.
Implement mirror and subdivision modifiers using existing stuff.
Update BlenderDNA with related structures.
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@763 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
Loads static meshes. Sometimes (it segfaults on the rest). No materials, cameras, fancy stuff. Works with all versions of blender. No compressed blend files yet.
- StreamReader now uses shared_ptr's to manage ownership of the stream.
- Adapt other loaders accordingly.
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@717 67173fc5-114c-0410-ac8e-9d2fd5bffc1f