Features:
+* File systems:
+
+ mqueue - boot
+ configfs module boot (order after module load)
+ securityfs - boot
+ binfmt_misc module autofs
+ fuse module udev
+ debug - boot
+ hugepages - boot
+
* introduce sd_log_open() to create a connection to the syslog bridge via sd-daemon.h
* when a bus name of a service disappears from the bus make sure to queue further activation requests