add pg70 gripper
update pg70
fix fingers
Merge pull request #54 from ipa-fmw/groovy_dev

add pg70 gripper
2DOF Hack for finger
Merge pull request #55 from ipa-fmw/groovy_dev

2DOF Hack for finger
release 0.4.9
Merge branch 'groovy_dev' of github.com:ipa320/schunk_modular_robotics into groovy_dev
Merge branch 'groovy_dev' of github.com:ipa320/schunk_modular_robotics into groovy_dev