#728 - Anonymize IP address config option

#727 - Allow IP collection to be easily turned on and off in config

PR #715 - Don't send person's personally identifiable information as a default

PR #702 - Follow symlinks when looking up source maps

PR #682 - Better logging for capistrano sourcemap uploading

#341 - Allow access to controller variables from custom_data_method

#539 - Failure to add rollbar.js to page

#472 - Exception from Delayed::Job not reported if job fails to deserialize