updated footer bar links to point to wiki topics. This completes the move away from IO pages.
Merge pull request #710 from codalab/feature/worksheet_interface

worksheet interface
fixes windows compute worker getting blocked by io
Merge branch 'master' of github.com:codalab/codalab
Merge pull request #704 from willum070/docs

updated footer bar links to point to wiki topics.
debug output added to leaderboard
Merge pull request #718 from codalab/feature/leaderboard-exception-handling

Leaderboard exception handling
adds all the extra fields to CSV results
Merge pull request #720 from codalab/feature/better-csv-results-full-details

Adds extra info to CSV results on Submission's page
Fixes filenames for CSV downloads
submission textarea added, info printed to submission results pane
adds submission description to submissions page
Merge pull request #721 from codalab/feature/submission-description

Adds submission descriptions
Merge branch 'refs/heads/upstream/master' into upstream/feature/worksheet_interface