srf.formats.media(), fix srfgScriptPath, update to jplayer 2.3.0

* Use uniqid() instead of static
* Add license header
* Use srf.formats.media() class
* Add QUnit test
* ogg could be either video or audio but we used as audio

Change-Id: I71c7e462511556628ac19bc2f6750d41a57015b1