cob_kinematics: fixed plugin path
ikfast pluging are now included in cob_kinematics again

Conflicts:

	cob_kinematics/manifest.xml
Merge pull request #17 from ipa-mdl/electric

Electric
Merge pull request #18 from ipa-mdl/master

Fixed kinematics plugins
Merge pull request #20 from ipa320/master

before renaming branches
Merge pull request #4 from ipa320/electric_dev

Electric dev