0.71#22 : Obstacle can get placed outside of grid.
Reported by Aidis : http://vcmi.antypika.aplus.pl/forum/viewtopic.php?p=2136#2136
Screenshot : http://i41.tinypic.com/21bm2ht.jpg
0.72d#4 : Small bug with battle screen
Reported by Boulie : http://vcmi.antypika.aplus.pl/forum/viewtopic.php?p=3069#3069
Screenshot : http://img39.imageshack.us/img39/9779/clipboard03h.th.jpg
Seems to occur particularly on higher resolutions.
I've added new condition for obstacle placement and it shouldn't occur any more.