Nqueens tests: brute force + full assert
(cherry picked from commit a81e977c1af20e1e23a9493ab38112cb1c214dcf)
The massacre of the greedyFit implementation (which has been rewritten as the entityPlacer implementation)
(cherry picked from commit 80dff4a7476a676fe96b5fd569d8e1b8319a7956)
Optimize imports
(cherry picked from commit 579b19d7f680e849c2b57c49dfac174b6ab93b15)