display grenade summary instead of all of it

this should make the base case more readable in the main console.

bp:grenade-readable

Depends-On: I235a725b6ca8a02caddad9f5a1457f6461269d5b

Change-Id: Ib6485dc3a3ad48f2ce2bc5d73bf4324293a9c131
Merge "display grenade summary instead of all of it"