Merge pull request #9 from ipa320/indigo_dev

Indigo dev
elmo_test_rig sim works - position_interface
Merge pull request #10 from ipa-fxm/indigo_dev

elmo_test_rig sim works - position_interface
Merge branch 'indigo_dev' of github.com:ipa320/ros_canopen into hydro_dev
load trajectory controller by default
add 2dof test rig urdf