prepare for error codes reporting

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45823 5e370ff8-3418-0410-babe-3378cc20a00d
 add tests

haven't updated the catkin side (yet)
and the tests don't all pass (yet)

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45824 5e370ff8-3418-0410-babe-3378cc20a00d
 implement a few error codes

* SUCCEEDED
* MOTION_NOT_FOUND
* CONTROLLER_BUSY

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45882 5e370ff8-3418-0410-babe-3378cc20a00d
 fixed goal canceling

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45884 5e370ff8-3418-0410-babe-3378cc20a00d
 implement other error codes

* INFEASIBLE_REACH_TIME
* MISSING_CONTROLLER (no unit test yet)
* TRAJECTORY_ERROR (no unit test yet)
* GOAL_NOT_REACHED (no unit test yet)
* OTHER_ERROR (newly added, no unit test yet)

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45918 5e370ff8-3418-0410-babe-3378cc20a00d
 updated sample motion/pose files

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45919 5e370ff8-3418-0410-babe-3378cc20a00d
 fix (??) issue with motions enfing with an error

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45940 5e370ff8-3418-0410-babe-3378cc20a00d
 fix bug with busy controller

git-svn-id: svn+ssh://server/srv/svn/repos/branches/OROCOS_2.X/pal-ros-pkg/stacks@45945 5e370ff8-3418-0410-babe-3378cc20a00d