switch off saving of raw traces
eod is sampled befor each trial, eodf is saved in choices file
add test/training indicator to choices file
fixed coloring of reward indicators for test trials
increased range of electrode amplitude scaling
added test conditions, i.e. the test beat and the test amplitude
disable NextButton upon start
added an option to randomize the s-minus stimulus
next button stays disabled even when the stimulus ouptut is done