update package version.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
detect scss changed status.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
update gulp coffee version

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
update gulp files

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
update index.html

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
update test js

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
convert test coffee script.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>