start rewriting stimSequence for cell arrays and more flexible variable
randomisation
fix showLog
fix plx reader to handle cell structure of outValues
stim positions update
trying to fix fixation target updating, currently broken
more changes
small fix
 lots of changes to get cell based variables and the special case of
 xyPosition to work properly.
Merge branch 'master' into stim

Conflicts:
	CoreProtocols/FigureGroundStateInfo.m
apparent motion stim added
more fixes to convert to cell araay variables
i 2 figure fix and rejig totalTicks to only track flips
protocol change
working on better assignment of fixation target
 more fixes
fix keyboard regression
protocol changes
few changes
minor changes
more fixation work