Minor changes

Minor presentation change.
Added inlet.
Added sampler

Added Main_sampler to Sonorium.maxpat
Added sampler controls to graphical_interface.maxpat
Sampler features

Renamed all samplers (bpatchers).
Started to hide unused bpatchers, but DID NOT FINISH!
Feature

Added a parameter to select wich Y slice to play in sampler mode. (NOT
FINISHED!)