Update .gitignore

_gh_pages -> _site path
Update _config.yml

add destination _gh_pages
[docs] Init _layouts/default.html
[docs] Add index.html
0.0.17
Update package.json

add grunt-contrib-concat@0.4.0 in devDependencies
Add src/js/affix.js

from bootstrap@3.1.1
Add src/js/alert.js

from bootstrap@3.1.1
Add src/js/button.js

from bootstrap@3.1.1
Add src/js/carousel.js

from bootstrap@3.1.1
Add src/js/collapse.js

from bootstrap@3.1.1
Add src/js/dropdown.js

from bootstrap@3.1.1
Add src/js/modal.js

from bootstrap@3.1.1
Add src/popover.js

from bootstrap@3.1.1
Add src/js/scrollspy.js

from bootstrap@3.1.1
Add src/js/tab.js

from bootstrap@3.1.1
Add src/js/tooltip.js

from bootstrap@3.1.1
Add src/js/transition.js

from bootstrap@3.1.1
Update Gruntfile.js

add grunt-contrib-concat task with js files
Update package.json

add grunt-contrib-uglify@0.4.0 in devDependencies