Merge pull request #5 from Wieke/master

Fixed little MatrixSpeller feedback bug.
switch to use buffer_newevents for waiting for events only
fix bug when using only 'data' as exit set
all channels good when bad-ch-rm is off.  Close options figure when shutdown
added ability to specify the sub-prob matrix and help describing the option
help on setting up matlab/linux scripts
audio oddball stim-seq making function
Merge branch 'master' of https://github.com/jadref/buffer_bci
Merge branch 'master' of github.com:Wieke/buffer_bci