Updates to pathfinder

now has option to show arrows, remaining TUs or both.
fixes the traceAI tile coloring.

adds functionality to textlists to set individual column alignments.
update Czech translation.
Update Romanian.lng
Merge pull request #507 from cornels/patch-1

Update Romanian.lng
bin/data/Language/Polish.lng
1121e5a3afcc056cd14c7c2ac1c7193da4f62a98
72570f15c1ececc36bdf58a51576dde9c2580f8b
fix close object game freeze
Merge pull request #508 from radius75/Polish.lng

bin/data/Language/Polish.lng
Add some fallback mission behaviour

for regions with no mission zones, swap out the region for something
that DOES.
fix some reaction fire stuff.

turns out we were using unit aggression in completely the wrong manner
0 reserves MORE than 2.

this will result in less alien soldiers reaction firing, and more commanders
doing so.