Tweaked armor stats for battering ram and siege tower.

Fixed "rollover" tag to "history".

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13437 3db68df2-c116-0410-a063-a993310a9797
Added a "wooden structures" civ bonus for the Celtic civs. Their buildings are 20% weaker, but they construct 20% faster than other cultures.

Fixed health for "Greek" walls.

Adjusted "preferredclasses" stuff on some templates.



git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13438 3db68df2-c116-0410-a063-a993310a9797
Merge remote-tracking branch 'remotes/trunk'