add introduction slide show at homepage

twitter bootstrap carouse is not working
slide change action is not under function call
jquery failed under rails
add boostrap.js for application compiling

boostrap.js is v3.0.0
somehow, current gem 'anjlab-bootstrap-rails' doesn't compile
boostrap's js into application
boostrap carousel won't work without it's js
add customized class to put image at center
add another 2 images as temp slide of introduction

they are temporarily pirated from flickr
will be re-designed later before going public
add git source code for remote build

test build command first
real build command is comment out
fixed failing of heroku fetching compass gem

change compass gem source
use pg db and declare ruby version for heroku
add config file for heroku remote run db:migrate
use 12 factor for heroku show assets correctly
add boostrap3 fonts