Move collective settings into a modal
Emojis can be set from the settings modal now. The emoji icon in the collectives navigation list is part of the link to the collective.
Circle owners can rename a collective from the settings.
Permission management will be added here as well with !455 (merged).
Fixes: #258 (closed)
Fixes: #257 (closed)
Fixes: #162 (closed)
This is how it's looking:
Edited by Jonas