Update gulp-compass to 2.0.0

Signed-off-by: Lee <jessy1092@gmail.com>
Merge branch 'master' of github.com:hackfoldr/hackfoldr-2.0
move jade and html to views folder.

Signed-off-by: Lee <jessy1092@gmail.com>
Watch devDependencies by david-dm.org

Signed-off-by: Lee <jessy1092@gmail.com>
Merge pull request #47 from hackfoldr/develop

move jade and html to views folder