Flash check, processAudioData (animation) and noSourceHandler

New in this version:
- package automatically checks and uses getUserMedia or Flash (with the help of flowkey:swfobject and flowkey:flashmic packages)
- a noSourceHandler function can be passed when creating the Microphone object, in case no getUserMedia and no Flash is available it will be executed
- a processAudioData function can be passed when creating the Microphone object, it can be used to access the raw audio data in order to visualize or analyse it (do animations or whatsoever)