Study another solutions

[turicas]

What's the difference between pypelinin and other solutions (gearman, for example)? Which one is better in which cases? In this issue we should:

• List free/libre software in this area
• Create benchmarks of features

[turicas]

List of software:

• gearman
• resque
• ruffus
• joblib
• celery
• delayed_job
• sidekiq