Bump submodules.
Remove yousense and ml421-crunch from nodes as no longer used
Possible fixes to lick script to make do-release upgrade work.

It seems that fabric doesn't like the fancy progress bars, so we now disable them during a do-release-upgrade.
Merge branch 'master' of git:infrastructure/dtg-puppet
Move open-room-map to tomcat 8
Merge branch 'master' of code.dtg.cl.cam.ac.uk:infrastructure/dtg-puppet
Use a patched version of postgres module which supports utopic