Add sub pixel pupil tracking algorithm. add “no show” mode for pupil tracker
add copyDirRecursively function. add regeneratePupilData function. copy user profile dir to the result dir before doing the curve gazing recorder.
Delete README.md
multi-threads the pupil center detection algorithm, a major performance improvement.
Merge remote-tracking branch 'origin/master'
Merge pull request #11 from jiangzp/master

Update 0906