Blender Git Loki

remove builders that are not necessary for now

remove unnecessary usings

remove unnecessary type definitions

remove "small" from test names

rename SmallVector to Vector

rename SmallMap to Map

rename SmallMultiMap to MultiMap

rename SmallStack to Stack

rename SmallSetVector to SetVector

Rename SmallSet to just Set

The fact that the data structure has small object optimization
is not important enough to justify a more complex name.
Following commits will rename other data structures.

cleanup

cleanup accessing rna of virtual node

cleanup accessing node names

use virtual node tree for parsing particle system node trees

start using virtual node tree to generate functions

initial virtual node tree

ArrayRef.contains_ptr

rename SocketBuilder to NodeBuilder

cleanup

make socket.data_type a class property