working on issues #13 and #15: manual tests
working on issues #13 and #15: manual tests
added service client for getting user input
added test for manual self test
clarified message
Using common shadowhand bag file
Fixes #13 Fixes #15 - the user will start rviz / rxplot on its own
Merge pull request #18 from shadow-robot/F_manual_tests

Added 2 manual tests (calibration and tactile sensors)