Estimation tasks done in custom queue estimatorQueue
Removed commented out code
Changing banners, Perform -> Administration
Show already estimated parameters of the question
Administration pages UI changes
Drawing a second series to represent the Item Response Curve
Estimated IR curve is in the background, colour changed
Fixed legends
Changed app.yaml for downloading data from appspot
Merging. Asking questions from db, by arthasdk. Closed #8
Fixed conflicts
Updated .gitignore to ignore .backup files while committing
Merge pull request #6 from spikey360/develop

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