Merge branch 'master' of https://github.com/h-kamada/jsk_2014_04_pr2_73b2
Merge branch 'master' of https://github.com/h-kamada/jsk_2014_04_pr2_73b2
Merge branch 'master' of https://github.com/h-kamada/jsk_2014_04_pr2_73b2
use angle-vector-sequence for leap