bump embedded Weave Net version to 2.1.3
bump embedded Weave Net version to 2.1.3

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