add test command for make.

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

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
add grunt-contrib-cssmin plugin for release

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

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

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