add angular-infinite-scroll
add ExhibitionController
update styles
tweak UI
format promotion dates
tweak UI
add a loading image
remove console.log
add promoting hint
init package.json
create Gruntfile.js
add sass plugin to grunt
compile *.ls to main.js
load main.js instead of all controller .js
write lsc task in grunt and make livereload execute grunt task
remove index.html
build