Park current changes for groups and perms
Merge branch 'master' of https://github.com/codalab/codalab-cli into perms
Park current changes
Extend auth handler to resolve usernames to users.
Group management
Skip auth setup when client is inside a server.
Add automated tests for groups
Clean up
Add auth for worksheet commands: new, delete, list, info, rename, update, add item.
Add status in the list of commands printed by cl help. Add username to output of cl status.
Add worksheet title and overview for worksheet list display.
Delay import of tables until it is needed.
Let worksheet_info work with anonymous user (public sharing scenario) and misc fixes to support display in web site.
Case for Public group was missing in a branch of list_worksheets.
Rename command set_worksheet_perm to set_perm
Wrong renaming
Don't user order_by yet: works with SQLite but not MySQL.
Improve end-user output for permission errors.
Fix test
Allow CLI commands with characters not allowed in Python identifiers.