* added functionality for openni_grab_frame * added optional command line options * optinal output filename  * chose output format
* added functionality for openni_grab_frame
* added optional command line options
* optinal output filename 
* chose output format




git-svn-id: e7ea667a1d39a4453c4efcc4ba7bca3d620c3f19@2757 a9d63959-f2ad-4865-b262-bf0e56cfafb6

daviddoria/PCLMirror,daviddoria/PCLMirror,otherlab/pcl,patmarion/PCL,otherlab/pcl,patmarion/PCL,otherlab/pcl,otherlab/pcl,patmarion/PCL,daviddoria/PCLMirror,patmarion/PCL,daviddoria/PCLMirror,daviddoria/PCLMirror,patmarion/PCL,otherlab/pcl