Update some files I forgot in previous commits. This was SVN commit r7361.
Support collision detection of footprints. This was SVN commit r7359.
This was SVN commit r7349.
This was SVN commit r7267.
Giant merge from http://svn.wildfiregames.com/hg-source/file/5fb522019d5e Infrastructure is largely complete, gameplay is largely missing Disabled by default; use command-line flag "-sim2" (Second attempt at commit...) This was SVN commit r7259.