Merge pull request #55 from ipa320/groovy_release_candidate

brin gback changes from groovy_release_candidate branch
Fixes the CMakeLists.txt to the ipa_canopen_ros_simple node
Merge pull request #57 from thiagodefreitas/groovy_release_candidate

Groovy release candidate
Merge pull request #56 from thiagodefreitas/groovy_dev

Fixes the CMakeLists.txt to the ipa_canopen_ros_simple node
Merge branch 'groovy_release_candidate' of github.com:ipa320/ipa_canopen into groovy