* Add kdevelop to gitignore
* Add test stubs
* Rename px4_add_gtest to px4_add_unit_gtest
* Add infrastructure to run functional tests
* Add example tests with parameters and uorb messages
* Fix memory issues in destructors in uORB manager and CDev
* Add a more real-world test of the collision prevention
- Remove unnecessary in between rate limits member vectors.
- Only switch the yaw rate limit in auto modes,
other values stay the same anyways.
- Fill gain vectors with parameters in one line.
Matthias Grob