Update .travis.yml to the new Travis container based infrastructure
Travis-ci now support a container based infrastructure that should be more performant and so cause less memory issues and less "errored" builds.
Unfortunately, this infrastructure doesn't support sudo and we use sudo to install packages etc... They came up with an addon to install dependency in a controlled environment, based on a whitelist. Most packages we use are already in the whitelist, except lame and libegl1-mesa, so I created two requests to include them.
We will not be able to use
update-alternatives but it can probably be replaced by an
More to follow when the packages are in the whitelist.