updated assimp (force build from source) and added debug logging to material_parser

3 jobs for develop in 13 minutes and 54 seconds (queued for 1 minute and 17 seconds)
Status Name Job ID Coverage
  Build
passed build-clang #8850

00:03:17

passed build-gcc #8849

00:03:52

passed build-scanbuild #8851

00:06:44