Add global_teams capability

Rename capability to view_global_teams
Use configured default
Update jquery, add typeahead widget

Team model and initial controller for console

Add team links, templates

Make teams controller react to json request, add team typeahead

Make team selection from typeahead work

Make an empty query show all owned teams, lazy-initialize typeahead stores

Tweak drop-down styles for multi-line, add substring matching

Conditionally show team add UI, display detailed error message, preserve team name across multiple submits, include teams in new_members

Surface team errors

Use global_teams capability from broker
Add index page for teams, error handling for search
Remove dead code