add icon spinner for progress indicate
second attempt to reduce stroke data size
update format of binary strokes
draw strokes with binary data
remove unwanted file
progress indicator for binary data
round instead of floor
add pack.coffee, inspired by pack.py of @kcwu
pack and draw binary strokes
pack strokes into <codepoint mod 0xff>.bin
better options for StrokeData(options)
new option "sequential" for loading characters one after another
fix cache mechanism with promises
use @kcwu's idea for better compression ratio
load strokes with pool size === 4
Merge pull request #11 from caasi/master

add icon spinner for progress indicate