UX: better display of peer groups on peer page

[rgdev]

Is your feature request related to a problem? Please describe.
When viewing the peer page I notice two things : the All group is always shown first but it's a bit pointless since all peers are part of it. Any extra group is hidden behind a +1/+2/+X button so you need to hover every peer you want to check out or use filters.

Also no matter how wide the page is, only one group is visible.

Describe the solution you'd like

1. Perhaps either hide the All group or sort groups so that the All groups is shown last, it would allow more relevant groups to be shown first in the UI
2. Allow more groups names to be visible depending on column width.