Use HFSM for unit AI.
Support queuing orders.
Automatically attack back when attacked.
Automatically gather from farms after building them.
This was SVN commit r7775.
Add RelaxNG schemas for all current components.
Add -dumpSchema command-line option to dump the combined entity schema.
Add a Perl script to validate entity templates against the schema.
See #413.
This was SVN commit r7452.