Updated "Road Map" on Wiki

Posted at: http://interreality.org/phorum/read.php?2,180,180#msg-180
reed wrote:

I updated the "Road Map" page on the Wiki to reflect S5 plans.  Pete, please correct it if it's a bit off.  This is
just a general guideline, we don't really know yet when the first S5 release will be, or whether it will be a
"1.0" release or a beta or testing prerelease that is less easy to use.

http://interreality.org/wiki/VosRoadMap

Reed