[ODE] branches, release, etc

[Rodrigo Hernandez]

J. Perkins wrote:

>>Okay, fair enough. Can we call the flag `--disable-trimesh`? It
>>doesn't make sense to expect new users to know what "opcode" is.
>>    
>>
As it is right now, with the changes I made the help string reads:

--without-opcode Configure ODE to work without OPCODE (disables trimesh 
support).

I think thats enought, besides, if you're disabling OPCODE, you should 
already know what you're doing.