change rake namespace
change namespace rake task
remove erroneous password
use constants for initializer
add env variables
change tweetstream to env variables
resort to put in config files
Use ruby 1.9.3
fix heroku worker
remove password
Merge pull request #20 from purple-martins-2013/fix_worker_on_heroku

Fix worker on heroku
Merge branch 'master' into charts_with_pulse
'merging twilio updates into branch'