Preparing for Lunar Sync 2017-08-07

[marguedas]

@bmagyar

Don’t worry about it, I think we have to rethink how our tests are

organized as running them is becoming somewhat unstable.

Sounds good

There are 2 issues holding this sync right now:

• navigation -lpthreads issue
• tinyxml2 broken on Yakkety, Zesty and Debian Stretch (tracked here)