Add pcd model files for registration sample

* hand_drill_kinect.pcd
![screenshot from 2014-09-27 12 36 40](https://cloud.githubusercontent.com/assets/40454/4429641/9dbea9f4-45f7-11e4-9533-e0ef02c848be.png)

* takenoko_drill_kinect.pcd
![screenshot from 2014-09-27 12 37 06](https://cloud.githubusercontent.com/assets/40454/4429640/9dba539a-45f7-11e4-8368-ae7e7e8547f6.png)