Add some more lines to collision test_tilemap
Add some more lines to collision test_tilemap

Some of these fail - I believe all should intersect the first object, so
this perhaps reproduces the issue seen with in-game voxels not working
right?

ShadowDancer/OpenApoc,FranciscoDA/OpenApoc,steveschnepp/OpenApoc,Istrebitel/OpenApoc,Istrebitel/OpenApoc,steveschnepp/OpenApoc,ShadowDancer/OpenApoc,pmprog/OpenApoc,FranciscoDA/OpenApoc,FranciscoDA/OpenApoc,pmprog/OpenApoc