[init] rails 4 website
[ADD] heroku stack gem
[ADD] setting up API && ember
[ADD] missing files
[UPDATE] gitignore
[ADD] .keep on ember tree
[FIX] application.js double
[FIX] naming
[ADD] Markdown repertory
[UPDATE] Post serializer
Merge branch 'master' of github.com:qpre/qa-website