Blog post re processing steps and versioning of datasets

[anuveyatsu]

Write a blog post about processing steps - processing, succeeded and failed. Explain each step and also write about revisions.

Acceptance criteria

• [x] a blog post published in the /blog page

Tasks

• [x] plan
• [x] write a draft
• [x] add screenshots and gifs
• [x] review by another team member
• [x] refactor
• [x] publish

[anuveyatsu]

FIXED - http://datahub.io/blog/improved-reporting-and-debugging-of-data-publishing