adding a second all terrain type of Vehicle
fixed vehicle legend to show that change vehicle key
adding buggy demo to OSX project
added the simple vehicle

added basics car demo using boxes so that end user can learn how to set
up a vehicle in their game engines
Added basic car to VS2012 and VS2010 project

also added the three type of differentials
4WD, FWD and RWD to the basic car
added basic car to linux build
removed userIntefaceState.xcuserstate file from xcode project
adde basic car demo to Xcode
adjusted a little heavy vehicle jeep engine
adjusted heavy transport truck engine power/torque
some refinement on vehicle demos
start adding a Tracked vehicle demo (a tank)
removed some binary dlls