BUGFIX: (OSX) missing header include in sandbox project file for
dAnimation
BUGFIX: renamed dBezierSpline files with unicode symbol
BUGFIX: duplicate file BasicCar.cpp in xcode, xcode included wrong file
ADDED: dAnimation osx project
ADDED: dAnimation project referenced by demosSandbox project
BUGFIX: typo "path" => "patch"
BUGFIX: continue collision => continuous collision
IMPROVED: performance of sandbox on osx due to bad display list implementaiton on OSX