Conflicts with various cancelled SRUs and newer packages:
Per pitti's advice, I've pushed as '1:0.8.4-0ubuntu15.3'. Please check carefully if there are any regressions.
Bob: this is being uploaded to '-proposed', which you will have to have enabled specifically. When/if people confirm that the update works, it can be migrated from '-proposed' to '-updates' which will them be pushed out to most people.