auto-commit: translation updates
The OSX build showed these might be shadowed, renamed to avoid it.
Merge pull request #3248 from fluffyfreak/colour_shadowing

The OSX build showed these might be shadowed.
Update Changelog.txt
Flush the last of the errors - hopefully they're all invalid!
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into GL33
Merge pull request #3219 from fluffyfreak/GL33

Update to use OpenGL 3.2
Update to use OpenGL 3.2 (#3219)
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into post-processing