Merge pull request #329 from Bertram25/development

And even more quick-fixes :)
Delete LavaGolem_diffuse.png
Delete LavaGolem_emit.png
Delete LavaGolem_spec.png
Delete LavaGolem_normal.png
Delete Stool_col.png
Delete Stool_nor.png
Delete Stool_spec.png
Delete Stool.material
Delete Table.material
Delete Table_col.png
Delete Table_nor.png
Delete Table_spec.png
Delete trainingpole-tex-nm.png
Delete trainingpole-tex.png
Delete Trainingpole.material
Delete Stool.mesh
Delete Table.mesh
Delete TrainingPole.mesh
Delete Chair.material