Move romeo models to a dedicated directory

benchmark/timings-geometry.cpp

models/romeo/meshes/romeo/collision/HeadRoll.dae

models/romeo/meshes/romeo/collision/LAnkleRoll.dae

models/romeo/meshes/romeo/collision/LAnkleRollBasic.dae

models/romeo/meshes/romeo/collision/LElbowYaw.dae

models/romeo/meshes/romeo/collision/LHand.dae

models/romeo/meshes/romeo/collision/LHipPitch.dae

models/romeo/meshes/romeo/collision/LKneePitch.dae

models/romeo/meshes/romeo/collision/LShoulderYaw.dae

models/romeo/meshes/romeo/collision/LThumb.dae

models/romeo/meshes/romeo/collision/LToePitch.dae

models/romeo/meshes/romeo/collision/LWristPitch.dae

models/romeo/meshes/romeo/collision/LWristRoll.dae

models/romeo/meshes/romeo/collision/LWristYaw.dae

models/romeo/meshes/romeo/collision/NeckPitch.dae

models/romeo/meshes/romeo/collision/Phalax.dae

models/romeo/meshes/romeo/collision/PhalaxEnd.dae

models/romeo/meshes/romeo/collision/RAnkleRoll.dae

models/romeo/meshes/romeo/collision/RAnkleRollBasic.dae

models/romeo/meshes/romeo/collision/RElbowYaw.dae