add experiment settings
change reward indicators to buttons
cleanup: removed unused vars
enabling and disabling of choice buttons
enabling corrected, bool choices corrected
Merge branch 'dualbeat' of https://github.com/jgrewe/relacs into dualbeat

Conflicts:
	plugins/efield/include/relacs/efield/dualbeat.h
	plugins/efield/src/dualbeat.cc
reactivate reward labels and have extra buttons for choice in separate groupBox
removed options from repro, config improved
disable continuous update of options