When no previous submissions exist, add a row to the table indicating that no data exists
Pointing footer help

Make footer help point to about help location
Merge branch 'master' of https://github.com/codalab/codalab
Handle case when competition thumbnail image is not provided
Add single-phase competition example
ignore coverage data

when I run test coverage analysis.

Yes, I am running test coverage analysis.
Added Twisted web support
Merged Bibin's commit 'Updates_UX_09_05_2013' to master with some UI fixes for competition tabs
Updated models for scoring
Added simple page to get the current commit of the project
Add fields to competition phase for programs and inputs
Models not really modified
Merge branch 'master' of github.com:codalab/codalab
Changes to scoring models and extracting scores
Removed some debug prints
Updated scores test view
Added scores test view back in temporarily
Fixed #155. About page nav works now
Fix #75 by hiding the sign up button when user is authenticated
Add a GenericRelation in the Competition model for issue #29