Fixing broken linux builds. Re #6137.
Fixing broken linux build again. Re #6137.
Changed instrument lighting to see components better.

Re #6137.
Trying to improve lighting in unwrapped mode. Re #6137.
Refactoring viewport to improve navigation. Re #6137.
Refactoring translation. Re #6137.
Refactored zooming. Re #6137.
Fixed doxygen warnings. Re #6137.
Merge remote-tracking branch 'origin/feature/6137_instrument_view'