[osg-users] Help need on refining .travis.yml for coverity_scan

[Jens Georg]

> Quite a flood of feedback...

The .yaml doesn't validate properly:
http://lint.travis-ci.org/openscenegraph/OpenSceneGraph

and I think it ignores the addon section because of that. Apparently
using matrix and coverity does not seem to cooperate very well.

Some of the things inside the matrix seem to go to toplevel.

The last comment on https://github.com/travis-ci/travis-ci/issues/1975 
seems to have a solution that doesn't involve downloading random
scripts from the internet.

The simplest approach seems to be to have a separate .travis.yaml on
the coverity branch that only does one build and is spared from the
merge.