Made changes to local_sample place holders
Included sentry package in requirements file
Merge branch 'master' of github.com:sensoranalytics/twitter_reader into docker_updates
Return empty list on exception
Merge branch 'master' of github.com:sensoranalytics/twitter_reader into docker_updates
Updated the default latest_tweet_id value
Merge pull request #2 from sensoranalytics/docker_updates

Changes made to local_sample place holders