Mauryan Farmstead wip

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13157 3db68df2-c116-0410-a063-a993310a9797
Fix build restrictions for neutral players.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13158 3db68df2-c116-0410-a063-a993310a9797
Update to Britons sandbox map. Added missing buildings

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13159 3db68df2-c116-0410-a063-a993310a9797
More wild ass. Committed old onager files last time by mistake

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13160 3db68df2-c116-0410-a063-a993310a9797
Reduced placeholder texture size for the onager

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13161 3db68df2-c116-0410-a063-a993310a9797
Head gear variations for Mauryan archer and swordsman units

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13162 3db68df2-c116-0410-a063-a993310a9797
Improvements to battle detection.  Patch from zoot.  Fixes #1425.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13163 3db68df2-c116-0410-a063-a993310a9797
Fixes #1781 SPQR signs

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13164 3db68df2-c116-0410-a063-a993310a9797
Merge remote-tracking branch 'remotes/trunk'