Make flames ignore bouncy world edge
Rationale: Flame speed heavily relies on wind and cannot be reasonably reversed.
The rationale is similar as for gtPoisonCloud.
Directory for automated tests to test the engine.
Run `ctest` in the root directory of this repository to run all tests.
Run `ctest -R <test name>` to run only the test with the given name.
This requires you to have CMake.