CataRT standalone 1.6 released

These are the new features:

- choice and visualisation of synthesis window (xfade, chant, sine, hann, hanning, blackman, blackman-harris)
- ROLI Lightpad Block multitouch input with editable pressure to gain map
(works best in fence mode)
- export corpus and uniform distribution to .mubu file
- revive marker and label import from wav and aiff markers
- tiling according to Label and RelID
- built with Max7 64bit, no more memory limits!