[Fixed] structure placement outside of planetary boundary to no longer
be possible - mantis 4363
[Fixed] lairs will no longer spawn outside of planetary boundary

Change-Id: I9acdc2daa9c8b15f636ce07f0a33116511ea16db
Merge "[Fixed] structure placement outside of planetary boundary to no longer be possible - mantis 4363 [Fixed] lairs will no longer spawn outside of planetary boundary" into unstable