* updated licensing and example options
* updated licensing and example options

pongstr/pongstgrm,zhaokunfay/pongstagr.am,SergeyTsibulskiy/pongstgrm,SergeyTsibulskiy/pongstgrm,pongstr/pongstgrm,pongstr/pongstagr.am,pongstr/pongstagr.am,zhaokunfay/pongstagr.am