Organizes source files into folders
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Remove unused methods
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No need to avoid reading a directory on delete
Fixes globs for new folder structure
Adds EventEmitter utility
Abstract Tracker should inherits EventEmitter
Updates demos
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Joins object based trackers into a generic ObjectTracker class
Adds support to set colors from constructor
Adds static data property to store training data to ViolaJones class
Sets typed array on generated training data
Updates demos to new tarcker constructor
Updates gulpfile.js
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Fixes ObjectTracker constructor to handle single string
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Shares nodeunit sandbox as an utility