update gem file for heroku deployment
add figaro gem (not compatible with rails 4.1)
Revert 2d32404..e0452b9

This rolls back to commit 2d32404539e4145936c8fe5b7f9e7bb98bd8432f.
gem file heroku secret
remove heroku secret from gemfile
add secrets.yml to git
remove secrets.yml from git and add key from env variable in application.yml
add new relic
secret key base in application.yml