update gulp to 3.7.0

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

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
user supplied options should overwrite defaults
Merge pull request #19 from srkirkland/master

user supplied options should overwrite defaults
builds latest changes in coffeescript
Merge pull request #17 from appleboy/patch

add npm start command and update gulp to 3.7.0
removes console.log
Update README.md

Just a teeny tiny typo I noticed.
Merge pull request #24 from feriancek/patch-1

Update README.md
Merge remote-tracking branch 'upstream/master' into long-name
Update scss file