envars
export TWITTER_CONSUMER_KEY=
export TWITTER_CONSUMER_SECRET=
export TWITTER_ACCESS_TOKEN=
export TWITTER_ACCESS_TOKEN_SECRET=
export TWITTER_USERNAME=
export FLICKR_API_KEY=
export FLICKR_SHARED_SECRET=
export MARKOV_CHAIN_INPUT_TEXT_FILE=
with heroku toolbelt
./heroku_setup.sh