Allow periods in message correlation ids

In queue browser, fixes links to e.g. Worldpay messages

Change-Id: Ia7d7df5ce50685fcc56f690bcde07d7312b46ef2
Merge branch 'master' into deployment

88b7d3a Allow periods in message correlation ids

Change-Id: Ifa24fa95a9898f640f2f26a88af051fdff310273