Supporting changes for the `assimp` rework in ITAGeo
ITAGeo was reworked to use assimp
with the master thesis of Niklas Mika.
Since both assimp
and gRPC
require zlib
and shipped with it as a submodule, errors came up when building the ITASuite.
These changes are needed to solve them.
In addition, the urban simulator was adapted to support the changes.
Requires merge of ma23-mika
in ITAGeo (see ITAGeo!3 (merged))!