SFS Toolbox 1.0.0-beta2

Bug fix version of 3D release of Toolbox. Most probably the last beta release.

NEWS:

- rms() now works for arbitrary arrays
- speedup of delayline() and HRTF extrapolation
- delayline() now works with more than one channel
- fixed a critical bug in wfs_preequalization()
- fixed missing conf values in several functions
- fixed README
- changed location of sfs-data for automatic download, because github does
  not allow this
- several minor fixes