update presentation slides
fix option setting bug
fix common.js bug
Merge branch 'develop' of https://github.com/rinoguchi/handsfree-reading into develop
update presentation slides
eliminate query from operator.js
Merge branch 'feature/escape_jquery' into develop
Integrated voice and gesture modules, but not working now
Now on/off feature works, but not perfectly
Integrated gesture and voice fully, with option settings
merged develop