Halve calm whenever HP lost, not only through combat
Add an excessive number of factions to test Coop

and make it last longer, again.
Try to see compilation warnings in travis builds
Exit program (with std frontend) when server throws an exception
Shut down frontends properly at exception
Propagate exceptions from clients to the server
Fix the recurring bug with a scroll of ascending from the floor
Expose a bit more of server and client saving mechanism
Merge UpdAgeLevel into UpdAgeGame
Introduce time vectors to tell apart the 2 uses of Time
Exchange the arguments of screen coordinate vector displacement
Don't spam about new items spotted in actor inventories
Fix atomic command position of item move for shared inventories