plugins/iqmmodel: apply textures on surfaces

Fixes issue #116 (closed) “iqmmodel plugin does not read texture path from model”

This MR implements texture application on iqm models.

See these screenshots with some iqm entity models:

See this screenshot with some iqm misc_models:

the MR also uncrustifies the iqmmodel code, so look at the second commit

changed the description

added 1 commit

• 860b6f75 - iqmmodel: better format description

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added 3 commits

• 4040510e - plugins/iqmmodel: apply textures on surfaces
• 3b10b016 - remove debug code and useless one
• 408628d5 - iqmmodel: better format description

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LGTM

Hmmmm this MR applied the shipped uncrustify config…

mentioned in commit 70e2439f

merged

mentioned in merge request !184 (merged)