adds codalab-cli and fabric requirements
adds missing newline
Merge pull request #449 from cpoulain/master

Remove unnecessary code.
Merge branch 'feature/fix-requirements' of https://github.com/Tivix/codalab into review
Merge branch 'review'
Merge branch 'master' of https://github.com/codalab/codalab
This commit includes layout changes suggested by Christophe, and some CSS modifications to make the 'fork on github' ribbon scroll properly.

changed worksheet links to match updated filenames in io.

Updated links to codalab.github.io
Merge pull request #456 from willum070/landingpage

This commit includes layout changes suggested by Christophe
deleted obsolete competition example files
Remove use of deprecated option --use-mirrors.
Merge branch 'examples' of https://github.com/willum070/codalab into cleanup
Merge branch 'cleanup'
Merge branch 'master' of https://github.com/codalab/codalab