fix the gradient computation in RigidBodyManipulator.findFixedPoint
vector drawing for lcmgl
Merge pull request #390 from blandry/lcmglvector

Vector drawing for lcmgl
Merge pull request #383 from hongkai-dai/fixFindFixedPoint

fix findFixedPoint gradient
some viz code
better drawing order
better transforms
vis using lcm vectors
visualizes different types of force and better impl
Merge branch 'aeroinspector' of github.com:blandry/drake into control_surface
Fixes bugs where the left edge position of control surfaces was not implemented correctly.