In-memory collector: merge reports after upgrade
In-memory collector: merge reports after upgrade

Upgrading reports individually reduces the amount of upgrades, since some reports might have been upgraded in previously.

weaveworks/scope,alban/scope,kinvolk/scope,alban/scope,kinvolk/scope,weaveworks/scope,kinvolk/scope,kinvolk/scope,alban/scope,alban/scope,kinvolk/scope,weaveworks/scope,weaveworks/scope,weaveworks/scope,kinvolk/scope,weaveworks/scope,alban/scope,alban/scope