login: ensure login form only appears if not logged in.
unauthenticated_user: added missing method
groups: you shouldn't need to be logged in to view the home page.
permissions: allow Procs for permission guard statement.
Merge branch 'master' of labs.riseup.net:crabgrass-core
added some basic group destruction. more to come.
Tweaks when dealing with split panels and requests.
Not pretty, but puts text in infobox saying a committee is a child of its parent group (https://labs.riseup.net/code/issues/3834)
me_avatar_path gets confused, when it gets a User as it's first argument.
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