Merge pull request #18 from ipa-rmb/groovy_dev

Sharpness analysis for cob_object_recording and new verbosity paramter for cob_fiducials
Merge pull request #19 from ipa-rmb/groovy_dev

added header information to all outgoing messages, fixed some performance  bugs (double/triple work)
Merge pull request #20 from ipa-rmb/groovy_dev

Added a sharpness measure to cob_fiducials that predicts the image quality of recorded data
Merge pull request #21 from ipa-rmb/groovy_dev

integrated the sharpness measure of cob_fiducials, removed some compile errors from cob_object_recording
Merge pull request #22 from ipa-rmb/groovy_dev

cob_object_recording finalized and tested
Merge pull request #23 from ipa-rmb/groovy_dev

Added simple sharpness calibration interface, and visual and auditive feedback for object recording
Merge pull request #24 from ipa-rmb/groovy_dev

changed sfml to sfml-dev (because it had to change in rosdistro)
Merge branch 'groovy_dev' of github.com:ipa320/cob_object_perception into groovy_dev-320