* Add the parallel gem
* Add prototype version of Feeds::Import with parallel URL fetching and parsing
* Tune Feeds::Import and add rake task for local tests
* Add rough measurer tool
* Add specs
* Apply suggestions by @citizen428
* Replace silence with silent
* No need for eager loading
* Add temporary Articles::DevFeedsImportWorker
* Remove temporary rake task
* Add basic error handling, copied from RssReader
* Fix error handling
* Remove temporary measuring rake task
* Remove logging added for development purposes
* Add info and error logging on error level