choose css framework.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
update normalize.scss to 3.0.1

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

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Merge pull request #4 from appleboy/feature/sass_or_compass

Feature/sass or compass