Merge pull request #37 from ipa-fxm/groovy_dev

update .gitignore
add changelog
0.5.1
first steo of new cob4_teleop
Merge branch 'hydro_dev' into hydro_release_candidate
Merge pull request #41 from ipa320/hydro_release_candidate

Hydro release candidate
some catkin_lint
Merge branch 'hydro_dev' of github.com:ipa320/cob_command_tools into hydro_dev
Delete rosdep.yaml
added deadman and switch case structure for diffrent modes
install tags
Merge pull request #42 from ipa-fxm/hydro_dev

catkin_lint and install tags
merged cob4_teleop with hydro