Features:
+* sd-bus: synthesized messages should get serial number (uint32_t) -1
+
* sd-event: allow multiple signal handlers per signal
* timer: expose accuracy as unit setting
-* sd-event: do per-minute coalescing of timer events too
-
* when we detect low battery and no AC on boot, show pretty splash and refuse boot
* move libasyncns into systemd as libsystemd-asyncns
* sd-bus: make message handlers take an sd_bus_error and generate error replies automatically if they are set
-* sd-bus: when replying to a bus message we should not need to specify the bus again
-
* sd-bus: see if we can drop more message validation on the sending side
* sd-bus: introduce sd_bus_creds object and attach it to messages as well as allow querying it for names
* sd-bus: support "const" properties as flag
-* sd-bus: add api call to escape bus path components
-
* sd-event: when a handler returns an error, just turn off its event
source, but do not return anything up to the event loop
caller. Instead add parameter to sd_event_request_quit() to take