Merge pull request #44 from thiagodefreitas/groovy_dev

Fixes init bug
Merge pull request #50 from thiagodefreitas/groovy_release_candidate

fixes ipa320/ipa_canopen#47
Merge branch 'groovy_dev' of github.com:ipa320/ipa_canopen into groovy
Merge pull request #54 from thiagodefreitas/groovy_release_candidate

Groovy release candidate
Merge branch 'groovy' of github.com:ipa320/ipa_canopen into groovy_release_candidate
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