Latest racetrack.
Updated the galvo calibrator.
Allow choices for experiment params.
Minor tweaks.
Misc fixes for Choice feature.
Misc fixes for Choices.
Change Arena parent to Mask.
Cleanup in patterngen.
Cleanup in motorarm.
Image buffering in contour gen.
Misc cleanup.
Merge branch 'master' of github.com:ssafarik/Flylab
Improved buffering of messages.  Faster ArenaState.
Update calibration instructions.
Merge branch 'master' of github.com:ssafarik/Flylab
Latest bigtop.
Relocating the frames of camera & images.
Work in progress.
Allow random choices in experiment trials.
rebase.