rtt_kdl_conversions: link to kdl_conversion package directly instead of tf_conversions and fixed MsgToFrame operation
rtt_kdl_conversions: added new operations for methods added in kdl_conversions 1.9.7
Merge pull request #7 from meyerj/rtt-kdl-conversions-fixes

rtt_kdl_conversions: Link to kdl_conversions instead of tf_conversions / Added new operations