OLM Version 2.1.0

New changes in this version:
o Deactivated movement the beginning of the session (before the first trial) again as it is supposed to be.
o Added functionality that pressing R rotates the subject by 180 degrees. This is only available when the session started.
o Add AudioTrialCounter that plays how many trials are left in the current block as a sequence of tones. This is activated by pressing backspace.

Please note that the source code is not from this version. This is only true for the built version.