- Fixed mantis #1576 (doesn't hang game)
- Implemented output stream operator<< for various classes(BattleAction, BattleHex,...) to improve debugging and logging

git-svn-id: http://svn.code.sf.net/p/vcmi/code/trunk/@3609 4dfc6b2a-8b31-0410-aa91-d6c70e3ac834