Nouvelle version de SuperVP for Max

Release notes for v2.18.1 2016-08:
- fix long init times when DAC is switched on
- resampling: supervp.scrub~ and supervp.play~ adapt to sampling rate differences between buffer and Max
- mubu audio access: supervp.scrub~ and supervp.play~ can read audio from a mubu track
- envelope warping: supervp.trans~ can apply a frequency warping function to the envelope
- fixed supervp.sfplay~

MacOSX only for the moment, Windows coming soon!