update jsk_interactive_marker joystick plugin


![screenshot_from_2014-07-03 17 56 47](https://cloud.githubusercontent.com/assets/40454/3467393/1a37536a-0290-11e4-9f1f-7115e2ccc089.png)
* rewrite jsk_interactive_marker plugin to modern plugin style
* remove jsk_interactive_marker.launch and integrate it to pr2.launch