Merge branch 'release/0.1.0' into develop
add demo.
refactoring.
set div.
adjust locate of info.
slide info.
adjust info.
use underscorejs.
switch info.

Squashed commits:

[97f273c] switch info.
set div.
replace confirm.
more info.
delete canvas.
release 0.2.0
Merge branch 'release/0.2.0'