Merge pull request #5 from purple-martins-2013/tweet_stream_test

Tweet stream test
RedisTrip time between trips and view
Merge pull request #6 from purple-martins-2013/trips

RedisTrip time between trips and view
fixing nil error for pushing to heroku
fixes for heroku
remove genericpassword
Merge pull request #7 from purple-martins-2013/fixes_for_heroku

fixes for heroku
restructure twitter_watcher.rake, can save tweets to DB