Add utilities functions (convert to png, generate file list)
Add training and testing file lists
Add SVM training routine for HOG descriptors
Modified training routine; add testing routine; support negative samples
Add features: detect gesture from camera
Add support to AppController
Clean up
Display time elapsed for testing; format command line output
Add MATLAB plot script; support specify root directory from argument
MATLAB plot script updated; README updated
Update README.md
Merge branch 'master' of https://github.com/zzchencn/GestureDetector