Rename 'by hostname' to 'by dns name'
Rename 'by hostname' to 'by dns name'

weaveworks/scope,alban/scope,kinvolk/scope,kinvolk/scope,dilgerma/scope,alban/scope,alban/scope,alban/scope,dilgerma/scope,alban/scope,weaveworks/scope,paulbellamy/scope,alban/scope,paulbellamy/scope,kinvolk/scope,weaveworks/scope,paulbellamy/scope,kinvolk/scope,dilgerma/scope,kinvolk/scope,weaveworks/scope,weaveworks/scope,weaveworks/scope,paulbellamy/scope,paulbellamy/scope,dilgerma/scope,paulbellamy/scope,kinvolk/scope,dilgerma/scope,dilgerma/scope